60%Good matchMonster Battles
77%30977% positive reviews, Mostly Positive across 309 reviews·Roguelike Deckbuilder · Auto Battler
—







NEODUEL: Backpack Monsters is an inventory auto-battler with a monster-trainer twist! Collect Cosmions and items, and strategically manage your backpack to create unbeatable combos in tactical duels. Rise through the leagues to become the ultimate Cosmion master!
Choose your Cosmions, place and combine them to create powerful synergies and beat your opponents!

Use Elemental essences to evolve your Cosmions into their advanced forms! Fuse different Cosmions to unlock unique and powerful creations.

From your humble neighborhood street to the shiny stadiums of monster battling, win against other players to rise through the leagues, or test your abilities in puzzling Elemental challenges!
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
All matches
Finding similar games…
Monster BattlesShares Auto Battler · Inventory Management · Turn-Based Tactics , adds Roguelike Deckbuilder77% · 309 positive reviews60%Good match—
Backpack BattlesShares Auto Battler · Inventory Management · Asynchronous Multiplayer , adds Roguelike Deckbuilder93% · 6k positive reviews56%Good match—
Tiny Auto KnightsShares Auto Battler · Asynchronous Multiplayer · Community tag: PvP , adds Turn-Based84% · 209 positive reviews55%Good match—
Monster CommandersShares Turn-Based Tactics · Asynchronous Multiplayer · Turn-Based Strategy , adds Strategy RPG71% · 291 positive reviews53%Good match—
Cubic CosmosShares Auto Battler · Turn-Based Tactics · Deckbuilding , adds Roguelike Deckbuilder93% · 487 positive reviews53%Good match—
TurnboundShares Board Game · Auto Battler · Inventory Management , adds Roguelike Deckbuilder78% · 453 positive reviews53%Good match—All matches
The best games like NEODUEL: Backpack Monsters are Monster Battles, Backpack Battles, Tiny Auto Knights, Monster Commanders, and Cubic Cosmos.
Match on: filter matches for NEODUEL: Backpack Monsters by tag