Single-player games like Apostle 3D
Below are 9 single-player Steam games similar to Apostle 3D, 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 Apostle 3D page.
Ranked picks
- 1

Jack Big Chin: Alien Invasion
Single-player alternative to Apostle 3D — playable solo, no multiplayer required. Shares Action and Indie with Apostle 3D.
Save humanity! Help Jack Big Chin defeat the alien invaders, in a hard action-adventure game with 3D platform elements, where you must improve your weapons and activate cannons to complete your missions.
- 2

In Space
Single-player alternative to Apostle 3D — playable solo, no multiplayer required. Shares Action and Indie with Apostle 3D.
In Space is a 2D top-down Arena Shooter where you are on an alien planet, and you have to survive to a horde of alien creatures that want your blood
- 3

Touch Force
Single-player alternative to Apostle 3D — playable solo, no multiplayer required. Shares Action and Indie with Apostle 3D.
Most unique top down shooter. Bring hell to insectoid robot invasion.
- 4

On Scene - The Horror Stories of Fred & Karen
Single-player alternative to Apostle 3D — playable solo, no multiplayer required. Shares Action and Indie with Apostle 3D.
Co-op comedy horror, Onscene will depict the stories of Fred and Karen, two local cops who after a late night get a call to go on scene.
- 5

Chronicles of Vipers
Single-player alternative to Apostle 3D — playable solo, no multiplayer required. Shares Action and Indie with Apostle 3D.
Chronicles of Vipers is a remake-demake first-person shooter inspired by old 8-bit and 16-bit console games, as well as VHS-era movies.
- 6

Edge Of Dead: Under A Uranium Sky
Single-player alternative to Apostle 3D — playable solo, no multiplayer required. Shares Action and Indie with Apostle 3D.
A bullet hell that let's you pickup and throw the furniture! Throw grenades and activate shields, stun enemies, shoot and dodge enemy fire and set the floor ablaze. Buy a porcupine shotgun from the shop or try a rancid burrito!
- 7

Atria Valkyrie
Single-player alternative to Apostle 3D — playable solo, no multiplayer required. Shares Action and Indie with Apostle 3D.
Operate disc hovercrafts that absorb enemy bullets to charge up your weapon. This is a vertical STG game. Correct timing of your attack and choice of bullet determines your survival or defeat.
- 8

Mineirinho Shooter DC
Single-player alternative to Apostle 3D — playable solo, no multiplayer required. Shares Action and Indie with Apostle 3D.
Miner is back and he called his very beautiful friend Lil' Pauline(Paulistinha) to enjoy a new adventures , they need to overcome the threat of space gluttons !!! Very cool and fun physical shooter style game, a unique game mechanic experience !!!
- 9

Idle Streaming Bonanza
Single-player alternative to Apostle 3D — playable solo, no multiplayer required. Shares Indie with Apostle 3D.
In this parody of popular streamers! Play as your favorite content creators like Mokipane, Asmondsilver and CQX. Form a cult! Squeeze your pay piggies, start drama, appease chat and rake in the dough.