Single-player games like Assau!t
Below are 11 single-player Steam games similar to Assau!t, 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 Assau!t page.
Ranked picks
- 1

The Last Salvage Squad
Single-player alternative to Assau!t — playable solo, no multiplayer required. Shares Action with Assau!t.
Battle enemy forces reminiscent of alien weapons from retro sci-fi works in this single-player 2.5D FPS.
- 2

Rebel Core: Awakens
Single-player alternative to Assau!t — playable solo, no multiplayer required. Shares Action and Indie with Assau!t.
AWAKEN REBEL, AS YOUR CIRCUITS WEEP FOR THE DEAD. Jump, shoot, slash, and shield your way through the 8 Core Robotics and defeat them all to reach the Council of machines that has conquered humanity. Go on a journey of retribution in this sci-fi action platformer that honors the classics.
- 3

ASTROXION
Single-player alternative to Assau!t — playable solo, no multiplayer required. Shares Action and Indie with Assau!t.
Pilot a powerful starfighter through an endless alien invasion. Rescue the Cubes, survive relentless alien waves, and chase the ultimate high score in this fast-paced arcade space shooter.
- 4

A Blast From The Past
Single-player alternative to Assau!t — playable solo, no multiplayer required. Shares Action and Indie with Assau!t.
A Blast from the Past is a stunning, classic arcade shooter. Includes gameplay modes for the casual gamer through to "Tournament Mode" for Hi-Score hunters! With 4K/360Hz+ support, experience smooth as silk gameplay in this dazzling arcade blaster with something for every arcade-going fan!
- 5

Netherspace
Single-player alternative to Assau!t — playable solo, no multiplayer required. Shares Action and Indie with Assau!t.
A sci-fi shoot'em'up game with heavy focus on upgrades experimentation, featuring two unlikely heroes that must work perfectly together, despite their share of secrets, to surpass their limits and succeed in eliminating a threat that might destroy both Earth and Andraxia if left unchecked.
- 6

RESHOOTER
Single-player alternative to Assau!t — playable solo, no multiplayer required. Shares Action and Indie with Assau!t.
RESHOOTER offers heart-pounding shoot-em-up action that elevates classic arcade gameplay to the next level. Dive into the retroflow with electrifying visuals, immersive audio, and captivating mechanics.
- 7

Blast Horizon
Single-player alternative to Assau!t — playable solo, no multiplayer required. Shares Action with Assau!t.
The Screen Belongs to your Enemy - Take it Back!In this classic Shmup, you will fight through impossible odds against hostiles flooding the battlefield from every direction. Every second is a test of positioning and precision while turning the battlefield into a storm of explosions.
- 8

Astral Bounty
Single-player alternative to Assau!t — playable solo, no multiplayer required. Shares Action and Indie with Assau!t.
Astral Bounty is a demanding 2D arcade side-scroller straight out of the ’90s. Blast through hand-built enemy waves, hunt four bounties, earn credits and blow them on beefy upgrades in the shop. You’re going to need them. 3 difficulty levels, 4 ships, mercy optional.
- 9

Roots Need Control 3.0
Single-player alternative to Assau!t — playable solo, no multiplayer required. Shares Action and Indie with Assau!t.
A coalition of large corporations trying to destroy the root flowers is invading Daejeon. Protect the root flowers. It's not going to be easy. Because... Roots Need Control.
- 10

Hold The Noise
Single-player alternative to Assau!t — playable solo, no multiplayer required. Shares Indie with Assau!t.
Listen to beautiful and captivating noises! It will be truly amazing. Are you ready to hear some great noise? Just press and hold the space bar. Are you really ready now?
- 11

Super Kingcrab Simulator
Single-player alternative to Assau!t — playable solo, no multiplayer required. Shares Action and Indie with Assau!t.
Destroy it! And liberate it! Until it's all over..Be a delicious and fresh super kingcrab, destroy the city and liberate the kingcrab to join them!