Upcoming Updates

• 1.18.xEstimated - September, 2026LM8 & BT26
• 1.19.xEstimated - October, 2026EX13
• 1.20.xEstimated - January, 2027BT27, ST25, & ST26
• 1.21.xEstimated - February, 2027EX14
• 1.22.xEstimated - April, 2027BT28 & ST27

Version 1.17.3 - July 24, 2026

Known Game Issues

• known New rules separating appmon names from Digimon names is not implemented
• known Piercing does not trigger on equal DP and attacker protects.
• known Visual issue on first entering deck selector where on duplicate images, only the first will show and the others are blanks. This fixes itself on certain interactions
• known All effects on old Hybrid archetype that mention "as if that Tamer is a Digimon" do not actually do so
• known No method currently exists in the sim to detect if an entity is digivolving from a tamer leading to incorrect triggers on certain cards
• known Trash Main effects can be used while resolving other effects possibly leading to soft locks
• known Giving effects need a rework on certain cards
• known Retaliation does not trigger if the digimon dies to tied DP values and opponent protects their digimon.
• known Certain cards are not searchable via alternate names or card IDs
• known Effects that copy effects from cards below are not fully functioning.
• known Burst digivolve is using the digimon's default evo condition instead of being a digivolution condition of it's own.
• known Certain effects that shuffle security don't fully shuffle face up cards face down
• known Launcher is failing to update for a significant percentage of the player base
• known Searches from deck scramble the card order.
• known Effects triggered from cards that have that card move from it's proper location but in the same effect chain return to the proper location still resolve when they should not.
• known Effects that copy the same effect with once per turn restrictions from 2 of the same card in digivolution sources share the same restriction.
• known Link Effects do not show in deck editor
• known Game allows you to attempt to Blast DNA with incorrect colors even if it ultimately fails. This does cause you to be unable to digivolve.
• known Blast DNA is ordering sources based on name instead of color
• known When cards are revealed, sometimes if there's a duplicate card it will appear as blank.
• known Some Japanese card names need updated to better fit rulings (ex. DemiVeemon is not Veemon)
• known Old Type Hybrids can have incorrect interactions with cards that involve a digimon digivolving.
• known There is an incorrect rule check happening in between the suspension of digisorption and that actual digivolution.
• known Having a controller connected to your PC can cause weird results when navigating menus
• known Digixrosing while not having enough material to make the play be a legal one still shows the card to your opponent.
• known Certain instances of an attacking digimon no longer being in the battle area due to DNA digivolving is not giving your opponent the opportunity to Blast digivolve.
• known Material Save is incorrectly allowing you to select digimon that would only have the correct name when they would be digixrosing.
• known Digixrosing when mid way you do not have enough memory to pay does not resolve according to the Comprehensive Rules Manual
• known Certain digimon with effects upon being suspended do not trigger those abilities when forced to attack by opponent
• known Sukamon vs Sukamon protection causes infinite loop
• known Downloading pre-errata version of cards.
• known Bot matches are online, instead of offline
• known Effects given to another card do not show up on card details
• known Effects with conditions still show up on card details, if condition is true or not
• known Game UI does not support having 2 of the same effect triggering.
• known Deck Builder greys out all cards in card selector when deck has 70+ cards
• known Performance impact when 15+ cards are on field (including sources)
• known Board size limit is 16

Known Card Issues

• bug Bebydomon (BT1-002)
  • Crashes when under a 13k with no piercing and a P-033 Sunarizamon and it are in same player's battle area.
• bug Ebonwumon (BT7-055)
  • While this is on your field and your opponent digivolves into BT16 Angemon, all of your suspended digimon trigger to trash a card from hand instead of just the one digimon you are attempting to unsuspend with angemon.
• bug Calling From the Darkness (BT7-107)
  • When deleting a digimon with an on delete and a second copy of that card already in trash, the card you deleted does not show that it has a pending effect in the trash selection screen.
• bug Gammamon (BT8-008)
  • When one or multiple of this card and multiple or one of the Gammamon line lvl 5s with the ESS to copy effects of any sources with Gammamon in name are under a digimon and trigger, all successfully trigger, but only 1 resolves.
• bug Mist Memory Boost! (BT8-108)
  • Alt art has different formatting then reg art.
• bug Attack of the Heavy Mobile Digimon! (BT9-102)
  • All cards seem to get the -Blitz in the right click panel after this card is used.
  • Can cause Desyncs when interacting with Apocalymon
  • A second played digimon via Supreme Connection in the same turn after the first one uses Blitz can fail to Blitz.
• bug MetalGreymon (BT10-024)
  • Gives opponent unblockable according to the right click panel.
• bug SkullBaluchimon (BT10-080)
  • Given OD does not trigger if de-digivolved.
• bug Tactimon (BT10-084)
  • Bagra Army cards with no digivolution cards will not trigger with BT10-084 Tactimon on the field.
  • Cards Played out by this card's effect with Digixros will activate the Digixros but fail to place said cards under the digimon.
• bug Yuu Amano (BT10-093)
  • YT allows selecting the same target that you would play (for example via EX10-044 Damemon's OD), causing the card to vanish from the board
• bug Mirei Mikagura (BT11-094)
  • Incorrect situations with triggering 2
• bug Aldamon (BT12-015)
  • Hand effect is not doing the "as if that card is a RED digimon" part, so a color changed tamer via duskmon fails to get digivolved into this.
• bug Mermaimon (BT12-027)
  • OP/WD doesn't gain beneficial effects from bouncing a blue token
• bug Lampmon (BT12-044)
  • Does not lose Sec Att +1 when opponent's digimon with Sec Att -1 leaves battle area
• bug Chaosdramon (X Antibody) (BT12-072)
  • Does not Inherit EX1 Machinedramon's DP reduction protection.
• bug Astamon (BT12-081)
  • Tamers are able to use the same quartzmon under them that you are digivolving into to place under to reduce the cost by 1
• bug Marcus Damon (BT12-092)
  • Still using the effect when attacking even if at 0 DP due to Rapidmon (X Antibody)
• bug Great Maelstrom (BT12-102)
  • Main effect does not allow placing a blue Token under another blue Digimon to reduce cost
• bug Shoutmon X7: Superior Mode (BT12-112)
  • Timing issue with placing 1 Shoutmon in sources effect
• bug Lalamon (BT13-049)
  • DNA digivolving disables the ESS for the current turn
• bug Sunflowmon (BT13-050)
  • DNA digivolving disables the ESS for the current turn
• bug Ravemon (BT13-089)
  • Test Unofficial errata by reaching end of turn twice in 1 turn
• bug Goldramon (BT14-018)
  • Plays tokens sequential instead of at the same time
• bug Palmon (BT14-044)
  • DNA digivolving is not resetting the ESS.
• bug Togemon (BT14-046)
  • ESS is not OPT
• bug MegaSeadramon (BT15-029)
  • Does not activate EX6-016 Xianpengmon 's Your Turn effect.
  • ESS gets used up if declined first time so can't be used on second attempt
  • Bypasses Sleep Mode immunity
  • Targeting a Token with the OP/WD causes the effect to use MegaSeadramon's level as reference for the rest of it, instead of the Token's
  • Targeting a non Token without a level with the OP/WD causes the effect to allow selecting any opponent's Digimon to bottom deck
• bug Apocalymon (BT15-102)
  • Soft locks when Apocalymon tucks in a level 6 digimon while Attack of the Heavy Mobile Digimon is in effect
  • Many On Play effects that he copies are bypasses immunities.
  • Some copied On Play effects are soft locking the game such as Promo Gallantmon.
• bug Valkyrimon Ace (BT16-013)
  • Can cause odd timing/triggers with security effect digimon
• bug Phoenixmon (X Antibody) (BT16-015)
  • Your Turn fails with certain conditions
  • All Turn fails with certain conditions
  • End of Attack doesn't activate when at Security Atk -x
  • End of Attack and On deletion sometimes don't activate with X Antibody Proto Form under sometimes.
  • End of Attack sometimes triggers BT11-007 Biyomon ESS without a tamer on field.
  • End of Attack using on Deletion bypasses immunities
• bug Imperialdramon: Dragon Mode (BT16-028)
  • All Turns triggers from BT22-101 Kyoko Kuremi's effect to evo into BT22 Alphamon
• bug Arukenimon & Mummymon (BT16-089)
  • UI not showing which effect is resolving when resolving 2 at one time
• bug Aldamon (BT17-014)
  • Hand effect is not doing the "as if that card is a RED digimon" part, so a color changed tamer via duskmon fails to get digivolved into this.
  • If you use the Hand effect to place cards under a tamer that can't digivolve, when it fails to digivolve, according to game rules, this card should go to trash.
• bug Beowolfmon (BT17-026)
  • Hand effect is not turning Koji blue before digivolving
  • If you use the Hand effect to place cards under a tamer that can't digivolve, when it fails to digivolve, according to game rules, this card should go to trash.
• bug Parasitemon (BT17-050)
  • End of Attack triggers Locomon (BT17-056) twice
• bug DexDorugoramon (BT17-073)
  • Fails to keep Piercing from Kosuke or given to the digimon via effect when Dorugoramon deletes a digimon with the same DP through battle and protects itself by digivolving into DexDorugoramon in trash.
• bug Miraculous Mega Knight (BT17-095)
  • When Delay attempts to DNA Digivolve, if both materials are on the field, when you select 1, the hand allows the same target in hand resulting in a failed DNA Digivolution.
• bug Return to the Primogenitor (BT17-097)
  • 2 Delays of this when protecting a paildramon from 0 DP removal, first to imp dragon, the second one does not properly continue to imp paladin.
• bug DaiPenmon (BT18-026)
  • If you use the Hand effect to place cards under a tamer that can't digivolve, when it fails to digivolve, according to game rules, this card should go to trash.
• bug JetSilphymon (BT18-053)
  • If you use the Hand effect to place cards under a tamer that can't digivolve, when it fails to digivolve, according to game rules, this card should go to trash.
• bug RhinoKabuterimon (BT18-070)
  • If you use the Hand effect to place cards under a tamer that can't digivolve, when it fails to digivolve, according to game rules, this card should go to trash.
• bug Rhihimon (BT18-081)
  • If you use the Hand effect to place cards under a tamer that can't digivolve, when it fails to digivolve, according to game rules, this card should go to trash.
• bug Wind to Flame, Ice to Sword (BT18-095)
  • When deselecting cards from hand, you can no longer pick them from hand or trash
• bug Dark to Light, Thunder to Gunfire (BT18-097)
  • When deselecting cards from hand, you can no longer pick them from hand or trash
• bug WarGrowlmon ACE (BT19-011)
  • OP / WD gives memory despite BT22-007 Mother Eater ESS placing the targets under Mother Eater
  • OP/WD gains mem when targeting a Digimon that get's sent to a different location via an Interruptive like QueenBeemon.
• bug QueenBeemon (BT19-053)
  • All Turns is not allowing a second QueenBeemon from interrupting even though it's legal to.
• bug Takato Matsuki (BT19-080)
  • Activating the YT when the Digimon that triggered the effect is no longer in play causes a soft lock
• bug Nene Amano (BT19-087)
  • Not allowing 2 of this to use 2 digixros materials from trash
• bug Jesmon (X Antibody) (BT20-019)
  • ESS does not always give piercing
• bug Slayerdramon (BT20-027)
  • ESS is getting delayed to the next time an effect triggers when you use Evade to protect and therefore the digimon is no longer unsuspended to activate the ESS
• bug Alphamon (BT20-056)
  • Same issue as Valkyrimon with security digimon that play themselves out.
• bug Raidenmon (BT20-098)
  • Add a No Selection option that is always visible in the trash selection window when selecting what cards to bottom deck from your opponent's trash that ends the effect.
• bug Yuugo Kamishiro (BT22-094)
  • Currently does not let you play cards that you can't pay without the YT reduction but would be legal if you did the reduction.
• bug Gallantmon (BT23-014)
  • Floodgate behaves a little weird against Gravel Hearts and likely other similar effects, it doesn't let you select Close but does let you select the Lvl 3 even if it fails to play
• bug Poseidomon (BT23-024)
  • Crashes game vs Medieval
• bug Machinedramon (BT23-060)
  • WA shows certain cards in sec face up even if they are face down
• bug Eater Bit (BT23-073)
  • When Played by a dying EDEN, using Mother to suck EDEN, Bit AT to prevent the Mother suck, the original deletion gets prevented when it shouldn't.
• bug Neptunemon (BT24-030)
  • Does not show cost reduction in hand
• bug Venusmon (BT24-040)
  • Does not show cost reduction in hand
• bug Minervamon (BT24-041)
  • Does not show cost reduction in hand
• bug Merukimon (BT24-051)
  • Does not show cost reduction in hand
• bug HerculesKabuterimon (EX1-021)
  • WA does not see EX8 Growlmon (X Antibody)'s effect given On Deletion.
• bug MetalGarurumon (EX1-043)
  • YT doesn't trigger from it's own attack
• bug ADR-02 Searcher (EX2-046)
  • ESS DP buff stays on field after trashed by Reaper.
• bug Volcanicdramon (EX3-012)
  • Floodgate effect affects both players
• bug Breakdramon (EX3-044)
  • ESS considers a BT20 Paildramon that it would delete in battle but is protected by the effect that DNA digivolves it as successfully deleted for it's effect.
• bug Trial of the Four Great Dragons (EX3-069)
  • Test errata by reaching end of turn twice in 1 turn
• bug Tsunomon (EX4-03)
  • Triggers from tamers digivolving into new hybrids.
• bug MedievalGallantmon (EX4-013)
  • Security effect does not return this digimon to hand if it blasts digivolves.
• bug Ravemon (EX4-058)
  • Test errata by reaching end of turn twice in 1 turn
• bug Omnimon Alter-S (EX4-060)
  • All turns effect (placing itself in security) allows piercing to trigger when it was not deleted
  • DP Deletion is sending it to trash when it should go to security (Not sure what triggers this.) Using Wyvern's Breath (BT6-101), it correctly triggers.
• bug Matt Ishida & Tai Kamiya (EX4-061)
  • With 2 on field, digivolve, use 1 to play agumon, if before the second resolves the agumon dies (for example via diaboromon ace), when the second one triggers, it allows to play out either agumon or gabumon when it should only allow gabumon in this example.
• bug Kiriha Aonuma & Nene Amano (EX4-062)
  • When using 2 Kiriha/Nene for the same digixros, only allows the use of 1 card from trash/sources
• bug Henry Wong & Shu-Chong Wong (EX4-063)
  • Test errata by reaching end of turn twice in 1 turn
• bug Ame-no-Ohabari (EX4-071)
  • Test errata by reaching end of turn twice in 1 turn
• bug Dragomon (EX5-060)
  • Some On Plays can still trigger when played by this effect, only known card is Biyomon (BT13-010)
• bug X Antibody Proto Form (EX5-070)
  • Cannot be stripped from digivolution sources under certain conditions - exact conditions so far undetermined
• bug Lilithmon (EX6-057)
  • All Turns bypasses Menoa (BT17) protection
• bug Belphemon: Rage Mode (EX6-060)
  • Targeting uses wrong criteria - apparently only deleting the lowest play cost suspended digimon if it's also the lowest play cost digimon in the opponent's entire board
• bug Leviamon (EX6-061)
  • Is deleting digimon with digivolution sources
• bug T.K. Takaishi & Kari Kamiya (EX6-063)
  • Given barrier does not triggered if digimon gets de-digivolved
• bug Mythical Arms of Salvation! (EX6-065)
  • Having multiple on board has some timing issue with when they should be usable
• bug Rise of the Seven Great Demon Lords (EX6-069)
  • Timing issues with multiple in play
• bug Hexeblaumon (EX7-023)
  • WD when selecting what cards to trash from opponent's digimon, text says "Up To"
• bug Chaos Triangular (EX7-066)
  • When used by EX7 Gundramon, is not properly placing itself under a digimon
• bug Der Blitz (EX7-070)
  • Trashed from sources effect is behaving as a digimon effect
  • When used by EX7 Gundramon, is not properly placing itself under a digimon
• bug MarineAngemon (EX8-035)
  • Security effect gives Security A. -1 and adds the card to hand before the battle, instead of at the end of it
  • Sec effect is bypassing fanglongmon immunity
• bug Gogmamon (EX8-050)
  • UI does not support 2 of these guys in digivolution sources. No easy way to know which is spent so you know which to trash from your sources.
• bug BanchoGolemon (EX8-053)
  • Inconsistent issue with DP calculation
• bug File Island (EX8-056)
  • All Turn protections can activate on your opponent digivolving in raising
• bug Suzune Kazuki (EX8-066)
  • AT triggers from a lv4 that can evo directly from a tamer.
• bug File Island (EX9-072)
  • All turns. Is turning off and on at various points
  • DP stays even when trashed from sec at certain points
• bug MedievalGallantmon (EX8-074)
  • Is letting you attempt to play it while at 0 memory while opponent has 2 immune digimon on field
• bug Kimeramon (EX9-074)
  • The 6 or more color deletion effect is sometimes bypassing immunities like EX8-073 Gallantmon X Antibody, BT20-059 Gankoomon X Antibody, FangLongmon, and Mother D Reaper
  • The 6 or more color deletion effect is currently wrong. It needs to choose the maximum available colors, not you choose which colors you want to delete.
• bug BlackWarGreymon ACE (EX10-010)
  • BWG Ace vs LK Ace scenario leads to a desync
  • All Turns does not update immediately on changes to game state
• bug MaloMyotismon (EX10-011)
  • When would be played doesn't trigger when played by Arukenimon and Mummy tamer BT16-089's effect
• bug Cometmon (EX10-030)
  • Link effect appears as an inherited effect when you right click the stack : the effect shows up if Cometmon is under another card, but it doesn't show up if Cometmon is linked to another card
• bug Pyramidimon (EX10-033)
  • The Play Cost reduction effect of the 2nd WD / WA also reduces the Digivolution Cost of any card that would evo into the targeted stack
• bug Myotismon (EX10-048)
  • When would be played effect does not trigger when played by effect by certain cards such as Arukenimon & Mummymon tamer, Mist Barrier option, and Revive from the Darkness option.
• bug DarknessBagramon (EX10-058)
  • OP/WD disables right click on some cards in opponent's hand after doing the 1st part of the effect (right clicking some cards in hand does not zoom on the card for the opponent)
• bug Yuu Amano & Nene Amano (EX10-064)
  • When using 2 Yuu/Nene for the same digixros, only allows the use of 1 card from trash/sources
• bug God Grade Unleashed (EX10-070)
  • Delay effect does not handle having multiple cards have links removed at the same time very well.
• bug Puroromon (EX11-003)
  • ESS not triggered by egg being placed in security
• bug Ai & Mako (ST14-11)
  • Triggers from tamers digivolving into digimon
  • Your Turn reveals to opponent what card was placed in logs
• bug Rapidmon (ST17-06)
  • AT doesn't trigger if attacking due to an effect that forces to attack
• bug Magnamon (ST17-13)
  • Has same problem as the Valkyrimon with security digimon that play at end of battle interaction.
• bug Quantumon (LM-020)
  • Immunity goes away when de-digivolved - specifically immunity to digimon based DP reduction has been confirmed
• bug Lamortmon (LM-012)
  • Inherit sometimes does not trigger when it should
• bug Diarbbitmon (LM-013)
  • Test errata by reaching end of turn twice in 1 turn
• bug Sakuyamon: Maid Mode Ace (LM-023)
  • All Turns is behaving as Your Turn - Opponent using options is not triggering it.
• crash Sunarizamon (P-074)
  • Shows up in deck builder when searching "vee".
• bug Espimon (P-078)
  • Returns the card it looks at in Security in the same facing direction it originally was instead of placing it face down.
• bug RustTyrannomon (P-113)
  • When an opponent's attacking avoid deletion through barrier or protections, the Blast Digivolved RustTyrannomon's All Turns activates.
  • All Turns does not trigger if battling an equal DP digimon and you save Rust via ExTyranno's Barrier ESS.
• bug Veemon (P-117)
  • Cost reduction will visually show the reduction, even though you will end up paying full cost (after it's once per turn use)
• bug Boltmon (P-174)
  • When would be played does not work when played out by EX5 Anubis.

Game Updates

• NewCollision not behaving as Digimon effect
• FixedOn Deletion ESS do not resolve if the card with the printed text gets Played to the battle area while the effect is pending.
• FixedMore recently added Alt Arts that were not functioning correctly or had incorrect information have been fixed. Keep reporting any others you encounter.

Card Updates

• Fixed Shakkoumon (BT25-038)
  • Does not trigger overflow when placing an ace into security.
  Fixed Aegiochusmon Green (BT25-053)
  • Suspend is bypassing immunities
  Fixed Tankdramon (BT25-074)
  • All Turns behaving as optional when it's mandatory. Specially if opponent has no digimon.
  Fixed Vulcanusmon (BT25-075)
  • A certain interaction between Vulcanusmon, Tidal Stream, and having Vulcanusmon removed mid attack soft locks the game
  Fixed Cherubimon (EX4-059)
  • Effect giving On Deletions might have weird timing issues when deleted by 0 DP mid attack
  Fixed Shakamon (EX6-025)
  • Can digixros with lvl 6 monkey
  Fixed Myotismon (EX10-048)
  • Does not use when would be played when played from locations that aren't the hand
  Fixed Wargreymon (EX12-017)
  • Counter behaving as mandatory and not resetting OPT when not used.
  Fixed Amphimon // Frozen Crystal (EX12-033)
  • WD/WA/C DP- is lasting for turn, not end of owner turn
  Fixed Diarbbitmon // Truskmore Advance (EX12-052)
  • Letting you choose not to battle after gaining DP when it's both or neither.
  Fixed Machinedramon Ace (EX12-059)
  • Alt evo was requiring both traits when it's either or
  Fixed Susanoomon (EX12-059)
  • Not counting digivolution colors correctly causing larger DP- than correct