Single-player games like Decision Legacy Collection
Below are 10 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
The One
Single-player alternative to Decision Legacy Collection — playable solo, no multiplayer required. Shares Action and Indie with Decision Legacy Collection.
The One is a game in which your goal will be to explore the world alone or in a group three years after the zombie apocalypse. However, the problem will turn out to be not only zombies, but also others who managed to survive this time behind the gates of the bunkers.
- 3
iZolated
Single-player alternative to Decision Legacy Collection — playable solo, no multiplayer required. Shares Action and Indie with Decision Legacy Collection.
iZolated - This is a post-apocalyptic 2D action game with elements of survival and RPG, which throws you into a harsh open world where the slightest mistake costs you your life. Find equipment, engage in fights, and prove that you are the top of the food chain in this chaos!
- 4
DYSMANTLE
Single-player alternative to Decision Legacy Collection — playable solo, no multiplayer required. Shares Action and Indie with Decision Legacy Collection.
Ascend from your shelter. Ruin everything. Escape the wretched island. ⚔️🔨🎣🌱🌵🍰 Explore. Fight. Level up. Survive. Gather. Craft. Harvest. Hunt. Build. Farm. Solve puzzles. Fish. Cook. Live. Enjoy the bittersweet post-apocalypse.
- 5
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.
- 6
Darfall
Single-player alternative to Decision Legacy Collection — playable solo, no multiplayer required. Shares Strategy and Indie with Decision Legacy Collection.
Darfall is a hero-based RPG city-building game that puts you in the role of a hero who must protect their home and help it grow! During the day, grow your hero’s might, find epic loot, master new abilities, and fortify your settlement. At night, survive the hordes of undead, until you triumph.
- 7
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.
- 8
Survivalist
Single-player alternative to Decision Legacy Collection — playable solo, no multiplayer required. Shares Action and Strategy with Decision Legacy Collection.
It's one year after the collapse of civilization and self-centered hedge fund manager Joe Wheeler emerges from his specially constructed bunker in search of food. This is a huge open-world RPG where you have the freedom to play how you want - but your choices have consequences.
- 9
DOOM
Single-player alternative to Decision Legacy Collection — playable solo, no multiplayer required. Shares Action with Decision Legacy Collection.
Now includes all three premium DLC packs (Unto the Evil, Hell Followed, and Bloodfall), maps, modes, and weapons, as well as all feature updates including Arcade Mode, Photo Mode, and the latest Update 6.66, which brings further multiplayer improvements as well as revamps multiplayer progression.
- 10
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!