Single-player games like Decision Legacy Collection
Below are 9 single-player Steam games similar to Decision Legacy Collection, 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 Decision Legacy Collection page.
Ranked picks
- 1
Decision: Red Daze
Single-player alternative to Decision Legacy Collection — playable solo, no multiplayer required. Shares Action and Strategy with Decision Legacy Collection.
Decision: Red Daze is an action RPG with a unique mix of survival and tower defense mechanics. Explore an apocalyptic wasteland, build a safe haven, and lead your team of specialists in a hopeless world, searching for a cure for the infectious disease that turns people into monsters.
- 2
Sonny Legacy Collection
Single-player alternative to Decision Legacy Collection — playable solo, no multiplayer required. Shares Action and Strategy with Decision Legacy Collection.
Sonny 1 and Sonny 2 team up in the Sonny Legacy Collection. Traverse a story-rich world where strategy meets supernatural in a quest for identity and survival. Master tactical turn-based combat and discover the truth behind Sonny's resurrection in these classic RPGs.
- 3
They Are Coming
Single-player alternative to Decision Legacy Collection — playable solo, no multiplayer required. Shares Action and Indie with Decision Legacy Collection.
They Are Coming is a hybrid game that combines roguelike, tower defense, and base building in a side-scrolling shooter format. It offers a straightforward gaming experience for pure enjoyment.
- 4
Rebuild 3: Gangs of Deadsville
Single-player alternative to Decision Legacy Collection — playable solo, no multiplayer required. Shares Strategy and Indie with Decision Legacy Collection.
Rebuild a ruined city in this post-apocalyptic mix of strategy and simulation. Manage survivors, scavenge for food and supplies, deal with rival gangs, illness, interpersonal strife and zombie attacks.
- 5
The Last Stand Legacy Collection
Single-player alternative to Decision Legacy Collection — playable solo, no multiplayer required. Shares Action and Adventure with Decision Legacy Collection.
Survive the zombie apocalypse and make humanity's last stand in this three-game legacy bundle, revamped for modern hardware. Explore, build, and survive for as long as you can in The Last Stand, The Last Stand 2, and The Last Stand: Union City.
- 6
Blood And Zombies
Single-player alternative to Decision Legacy Collection — playable solo, no multiplayer required. Shares Action with Decision Legacy Collection.
Blood, guts, meat. Humanity's waging total war against a horrific zombie apocalypse. Lead one of four of humanity's deadliest survivors against the horde in this first person, wave defense shooter. Load up your guns, set up turrets, sharpen your skills, and maybe you'll make it through the night.
- 7
Final Outpost: Definitive Edition
Single-player alternative to Decision Legacy Collection — playable solo, no multiplayer required. Shares Strategy with Decision Legacy Collection.
Final Outpost is a survival strategy base-builder. You lead the last survivors of the apocalypse. Assign roles, craft tools, and manage resources carefully. Construct buildings, level up your citizens, and fortify your town against hordes of zombies. How many days can you survive?
- 8
IfSunSets
Single-player alternative to Decision Legacy Collection — playable solo, no multiplayer required. Shares Action and Indie with Decision Legacy Collection.
「IfSunSets」 is a survival RPG adventure game. During the day, secure necessary supplies across the island, and survive the night against strong and terrifying monsters that track you down. You can utilize resources you've secured to build a base to fend off threatening monsters.
- 9
One Troll Army
Single-player alternative to Decision Legacy Collection — playable solo, no multiplayer required. Shares Strategy and Indie with Decision Legacy Collection.
Play as a giant troll in One Troll Army - a defense game about building forts, upgrading your troll, and fighting off waves of enemies. Play Against The Twitch Chat!