Single-player games like Primordium - Day Zero
Below are 8 single-player Steam games similar to Primordium - Day Zero, 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 Primordium - Day Zero page.
Ranked picks
- 1
bit Dungeon III
Single-player alternative to Primordium - Day Zero — playable solo, no multiplayer required. Shares Action and Indie with Primordium - Day Zero.
bitDungeonIII is a 2d action adventure game with rogue-lite elements. Randomly generated overworld and dungeons. Make allies with other players or kill them for their precious inventory items. Discover random items that greatly enhance and affect your character.
- 2
Streets of Rogue
Single-player alternative to Primordium - Day Zero — playable solo, no multiplayer required. Shares Action and Indie with Primordium - Day Zero.
Fight, sneak, and hack your way through randomly generated cities. It's like Nuclear Throne meets Deus Ex, mixed with the anarchy of GTA. Rogue-lite meets immersive sim, and goes completely insane.
- 3
Heat
Single-player alternative to Primordium - Day Zero — playable solo, no multiplayer required. Shares Action and Indie with Primordium - Day Zero.
Survive the wilderness, build a home, raise a family, and expand your territory. Gain power as President, deliver justice as Sheriff, fight for your tribe as Chief, or show some southern hospitality as Governor. Begin your new life in 19th century America.
- 4
Charlie Murder
Single-player alternative to Primordium - Day Zero — playable solo, no multiplayer required. Shares Action and Indie with Primordium - Day Zero.
It’s a punk rock apocalypse! Team up with your friends to lead embattled punk rock band Charlie Murder in their epic quest to save the world from rival death metalers Gore Quaffer and their legions of evil.
- 5
Heretic + Hexen
Single-player alternative to Primordium - Day Zero — playable solo, no multiplayer required. Shares Action and Adventure with Primordium - Day Zero.
Step into the definitive re-release of two dark spell-casting shooters that shaped the genre. This enhanced restoration makes Heretic™ + Hexen™ available to new audiences and long-time fans with expanded accessibility across more platforms and languages than ever before.
- 6
Borderlands 3
Single-player alternative to Primordium - Day Zero — playable solo, no multiplayer required. Shares Action and RPG with Primordium - Day Zero.
The original shooter-looter returns, packing bazillions of guns and a mayhem-fueled adventure! Blast through new worlds and enemies as one of four new Vault Hunters.
- 7
Serious Sam Classic: The First Encounter
Single-player alternative to Primordium - Day Zero — playable solo, no multiplayer required. Shares Action and Indie with Primordium - Day Zero.
Serious Sam is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Year 2001!
- 8
Serious Sam Classic: The Second Encounter
Single-player alternative to Primordium - Day Zero — playable solo, no multiplayer required. Shares Action and Indie with Primordium - Day Zero.
Serious Sam Classic: The Second Encounter is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Month February 2002!