Single-player games like Rule No. 3 Downpour
Below are 10 single-player Steam games similar to Rule No. 3 Downpour, 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 Rule No. 3 Downpour page.
Ranked picks
- 1
Iron Onslaught
Single-player alternative to Rule No. 3 Downpour — playable solo, no multiplayer required. Shares Action and Indie with Rule No. 3 Downpour.
Sit back, relax, and survive the endless wave of bots and mechs.
- 2
Viscera
Single-player alternative to Rule No. 3 Downpour — playable solo, no multiplayer required. Shares Action and Indie with Rule No. 3 Downpour.
Viscera is an arcade-inspired, gleefully excessive top-down shooter. Fight through the muck and gore against the mutant menace. Master over 50 weapons and more than 80 abilities. Prove you’re the best at withstanding the horde until the end takes you. Viscera awaits. Soak in it.
- 3
NullGate
Single-player alternative to Rule No. 3 Downpour — playable solo, no multiplayer required. Shares Action and Indie with Rule No. 3 Downpour.
A lo-fi PS1 roguelite FPS where every arena is generated at runtime. Dash, slide and wall-kick through rooms that never repeat, weave through slow glowing bullets, and bank your kill-streak before something takes it from you. Die, upgrade at the Underdock, and dive again.
- 4
Daisen
Single-player alternative to Rule No. 3 Downpour — playable solo, no multiplayer required. Shares Action and Indie with Rule No. 3 Downpour.
Daisen is a hyper-fast-paced shooter where healing only comes through killing, and your weapons are always eager to overheat at the worst possible moment. Mix up your arsenal, "dance" across the arena, and remember: the line between you and the anomaly is thinner than it seems, Ms. Emilia.
- 5
Horde
Single-player alternative to Rule No. 3 Downpour — playable solo, no multiplayer required. Shares Action and Indie with Rule No. 3 Downpour.
Ultraviolent blast from the past and merciless punishment to the wussy new gen. Make enemies online by challenging their Hellruns on global leaderboards while annihilating endless swarms of Hellspawn in this procedurally generated massacre. Coming 2026.
- 6
Rind
Single-player alternative to Rule No. 3 Downpour — playable solo, no multiplayer required. Shares Action and Indie with Rule No. 3 Downpour.
A sci-fi arcade shooter built on pure momentum. Dash, double-jump, punch, and gun through waves of robots closing in from every side. Every kill bursts neon explosions against the scorched metal. Never stop moving.
- 7
Shoot Giant Robots and Wallrun
Single-player alternative to Rule No. 3 Downpour — playable solo, no multiplayer required. Shares Action with Rule No. 3 Downpour.
Mow down an endless horde of robots, flying through hand-crafted arenas at breakneck speeds in an FPS adrenaline rush.
- 8
NOXON
Single-player alternative to Rule No. 3 Downpour — playable solo, no multiplayer required. Shares Action and Indie with Rule No. 3 Downpour.
A neon-drenched FPS arena shooter where momentum is everything. Bunny hop, air strafe, wall jump, grapple, and dash through waves of glowing enemies in an ever-changing arena. Chain kills, climb the multiplier, survive. Inspired by Geometry Wars and Quake movement.
- 9
Rule No. 1
Single-player alternative to Rule No. 3 Downpour — playable solo, no multiplayer required. Shares Action and Indie with Rule No. 3 Downpour.
A silky smooth Arena First Person Shooter with a prime focus on game-feel. Massacre waves of sentient metallic geometry and their monster compatriots as you fight for your Hi-Score! Designed to be the ultimate 'warm-up' or 'waiting-for-download' game!
- 10
Rule No. 2
Single-player alternative to Rule No. 3 Downpour — playable solo, no multiplayer required. Shares Action and Indie with Rule No. 3 Downpour.
Because sometimes all that you really want from life is to be blowing up a bunch of $#!% while also gazing at some chesticles -- as fast and as expeditiously as possible. Sturgeon General's WARNING: 'Risk of Waifus, Guns, Nudity, Instant Action and Mayhem.'