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A card system built for thinkers Royal Flux is a turn-based card battle game where both sides place simultaneously — you never know exactly what your opponent is committing until combat resolves. Victory belongs to the player who reads the board, builds the better deck, and understands the kingdom triangle before the damage is done. This is not a game of whoever draws the rarest card. There are no packs to purchase, no randomised loot, and no pay-to-win shortcuts. Every card in Royal Flux earns its place through strategic composition and the mechanics that govern how kingdoms clash.
Mac · May 6, 2026
Worldwide · Exact date · Full release · IGDB
PC (Microsoft Windows) · May 6, 2026
Worldwide · Exact date · Full release · IGDB
Catalog sources
45 achievements available.
Win 100 games across any mode.
LockedSteam
Win 50 games across any mode.
LockedSteam
Complete all four dungeons in a single campaign.
LockedSteam
Defeat the Abyssal Maester in Boss Challenge on Maester.
LockedSteam
Defeat the Abyssal Maester in Boss Challenge on Navigator.
LockedSteam
Defeat the Abyssal Maester in Boss Challenge on Wanderer.
LockedSteam
Clear all of Ashenveil on Maester difficulty.
LockedSteam
Clear all of Ashenveil on Navigator difficulty.
LockedSteam
Clear all of Ashenveil on Wanderer difficulty.
LockedSteam
Clear all of the Null Foundry on Maester difficulty.
LockedSteam
Clear all of the Null Foundry on Navigator difficulty.
LockedSteam
Clear all of the Null Foundry on Wanderer difficulty.
LockedSteam
Clear all of the Solarch Expanse on Maester difficulty.
LockedSteam
Clear all of the Solarch Expanse on Navigator difficulty.
LockedSteam
Clear all of the Solarch Expanse on Wanderer difficulty.
LockedSteam
Complete the campaign on Maester difficulty.
LockedSteam
Complete the campaign on Navigator difficulty.
LockedSteam
Save a custom deck in the Deck Builder.
LockedSteam
Complete the co-op campaign on Maester difficulty.
LockedSteam
Complete the co-op campaign on Navigator difficulty.
LockedSteam
Complete the co-op campaign on Wanderer difficulty.
LockedSteam
Win a game using a custom saved deck.
LockedSteam
Collect all 5 key items in the Ashenveil dungeon.
LockedSteam
Collect all 5 key items in the Solarch dungeon.
LockedSteam
Collect all 5 key items in the Null Foundry dungeon.
LockedSteam
Collect all 5 key items in the final dungeon.
LockedSteam
Win a game using the Apex Council deck.
LockedSteam
Save a custom deck in the Deck Builder.
LockedSteam
Win a game using the Forgotten Host deck.
LockedSteam
Win a game using the Twilight Bridge deck.
LockedSteam
Complete the Ashenveil dungeon.
LockedSteam
Complete the Solarch dungeon.
LockedSteam
Complete the Null Foundry dungeon.
LockedSteam
Complete the final dungeon and defeat the Fleet Admiral.
LockedSteam
Win your first game in any mode.
LockedSteam
Win a Hotseat PvP match.
LockedSteam
Complete the tutorial.
LockedSteam
Apply a Sigil during a campaign or survival battle.
LockedSteam
Complete all four dungeons in a single Survival run.
LockedSteam
Complete a Survival run without using the Infirmary.
LockedSteam
Complete a Survival run on Maester difficulty.
LockedSteam
Complete a Survival run on Navigator difficulty.
LockedSteam
Complete a Survival run on Wanderer difficulty.
LockedSteam
Use a Void Seal during the placement phase.
LockedSteam
Defeat Vorn the Drow Sovereign on Hard difficulty.
LockedSteam
Community notes
