Single-player games like Soul Merger
Below are 8 single-player Steam games similar to Soul Merger, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Soul Merger page.
Ranked picks
- 1
Slotbound
Single-player alternative to Soul Merger — playable solo, no multiplayer required. Shares Strategy and Indie with Soul Merger.
A roguelike auto-battler defense where luck meets strategy. Spin a 3x3 slot machine to summon units and grow your army by absorbing others. Use Items and Cores to manipulate the odds and survive challenging judgement waves and boss waves. Every spin and every choice counts.
- 2
Red Rocket Defencism
Single-player alternative to Soul Merger — playable solo, no multiplayer required. Shares Strategy and Indie with Soul Merger.
You, a military officer from our great autocratic motherland, must protect our precious rockets from the evil capitalist enemy in this revolutionary base building strategy game. Bribe! Surveil! Purge! Imbibe! The end justifies the means when you have to protect our invaluable rockets!
- 3
Hyakki Yagyō: Endless Nights
Single-player alternative to Soul Merger — playable solo, no multiplayer required. Shares Strategy and Indie with Soul Merger.
A roguelike dungeon defense game inspired by Dungeon Maker. Recruit mercenaries, set traps, and fortify against nightly yokai hordes. Romance your allies, unleash cinematic ultimate skills, and survive as long as you can — or fall to the Hyakki Yagyo.
- 4
SlimeHold
Single-player alternative to Soul Merger — playable solo, no multiplayer required. Shares Strategy and Indie with Soul Merger.
Choose your King, recruit an army of Slimes, collect run-changing Items, and assign Slimes as Stationed or Roaming in this roguelite tower defense auto-battler.
- 5
Epochlings
Single-player alternative to Soul Merger — playable solo, no multiplayer required. Shares Strategy and Indie with Soul Merger.
Collect, raise and fuse 99 creatures inspired by organisms that once lived on Earth. Journey across 11 ancient eras, build powerful teams, face an era boss at the end of each age and preserve your collection beyond extinction.
- 6
Bermuda Bastion
Single-player alternative to Soul Merger — playable solo, no multiplayer required. Shares Strategy with Soul Merger.
Survive 33 days in the heart of the Bermuda Triangle! Build triangular structures to defend against malevolent squares, pentagons, and other geometric monsters. In this chaotic city-builder roguelike, every mistake pulls your Bastion closer to the depths.
- 7
Bahamut:Evolution
Single-player alternative to Soul Merger — playable solo, no multiplayer required. Shares Strategy and Indie with Soul Merger.
You have stepped into the world of Bahamut. Here, hunger, darkness, and disease follow you like shadows; you must be fully prepared for danger. Go and tame your own Bahamuts — let them build your base and supply power. Lead your Bahamuts and challenge the mightiest beings of this land!
- 8
Soul Tides
Single-player alternative to Soul Merger — playable solo, no multiplayer required. Shares Strategy and Early Access with Soul Merger.
Command dark armies in this tug-of-war auto-battler. Build your base, summon units, customize abilities, and push the battlefield toward your enemy’s stronghold. Adapt your strategy each match and dominate in PvP, co-op, or Trials mode.