Single-player games like Rat Musou
Below are 11 single-player Steam games similar to Rat Musou, 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 Rat Musou page.
Ranked picks
- 1
Sektori
Single-player alternative to Rat Musou — playable solo, no multiplayer required. Shares Action with Rat Musou.
Sektori is an intense, fast paced twin-stick shooter infused with hard hitting techno music. A game where the high-adrenaline gameplay, visuals, and music come together to transport you into another state of consciousness.
- 2
Waves
Single-player alternative to Rat Musou — playable solo, no multiplayer required. Shares Action with Rat Musou.
Waves is an Arcade Twin-Stick Shooter that's all about High Scores. Build your combo and drop bombs in pursuit of Leaderboard dominance over seven game-modes!
- 3
KILL KNIGHT
Single-player alternative to Rat Musou — playable solo, no multiplayer required. Shares Action with Rat Musou.
KILL KNIGHT is an ultra-responsive arcade-inspired isometric action shooter. Condemned to eternal sufferance, deep within the voids of an eldritch arena, you must wield an arsenal of devastating weaponry to obliterate swarms of otherworldly horrors - and MASTER THE DEMON WITHIN.
- 4
Savant - Ascent REMIX
Single-player alternative to Rat Musou — playable solo, no multiplayer required. Shares Action with Rat Musou.
Savant - Ascent REMIX is an explosive shoot-em-up / scrolling shooter, starring an acrobatic wizard on an elevator-ride. Unlock destructive spells & acrobatic moves as you survive through a tower brimming with robotic fiends!
- 5
Monsters are Coming!
Single-player alternative to Rat Musou — playable solo, no multiplayer required. Shares Action with Rat Musou.
Beware, Monsters are Coming! In this Tower-Survivor rogue-lite, you protect an ever-moving city from unrelenting hordes. Gather resources, fortify defences, and survive for as long as you can. Will you reach the Ark?
- 6
Crimsonland
Single-player alternative to Rat Musou — playable solo, no multiplayer required. Shares Action with Rat Musou.
Thousands of aliens, giant spiders, mutant lizards, and more are on the attack - can you survive the onslaught? Crimsonland is a top-down shooter with a touch of RPG. Unlock over 30 weapons and over 50 perks from quirky to brutal. Complete the quest and show your skills in five survival modes.
- 7
NeverAwake
Single-player alternative to Rat Musou — playable solo, no multiplayer required. Shares Action with Rat Musou.
A girl who never wakes up. She has been fighting monsters in her dreams... "NeverAwake" is a nightmarish twin-stick shooter with a unique worldview and original game rules.
- 8
Nex Machina
Single-player alternative to Rat Musou — playable solo, no multiplayer required. Shares Action with Rat Musou.
Nex Machina is an intense arcade style twin-stick shooter from Housemarque. Taking hints from both Robotron and Smash TV, Nex Machina focuses on pure action, voxel destruction and competition in the distant, cablepunk themed future.
- 9
Crazy Delivery
Single-player alternative to Rat Musou — playable solo, no multiplayer required. Shares Action with Rat Musou.
Race the clock in Crazy Delivery, a top-down 2D arcade delivery game. Pick up meals, dodge traffic, and keep food fresh across six distinct districts. Manage fuel and energy, earn money, and upgrade your ride to become the city's delivery hero.
- 10
Highway Formosa
Single-player alternative to Rat Musou — playable solo, no multiplayer required.
Hit the roads of Taiwan in a retro arcade racer. Dodge traffic, grab nitro boosts, and beat the clock in your red convertible. Choose branching routes across six vibrant settings, take on boss chases, and chase high scores to each setting's own soundtrack.
- 11
Strait Defense
Single-player alternative to Rat Musou — playable solo, no multiplayer required.
Build your defense across sea, land, air, and underwater threats in this 2D tactical tower defense game. Choose from 20 equipment types, plan your loadout, and invest in permanent upgrades. Protect key facilities across six campaign stages, face unique bosses, and pursue five-star results.