Single-player games like Breakthrough
Below are 12 single-player Steam games similar to Breakthrough, 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 Breakthrough page.
Ranked picks
- 1

Demons are coming!
Single-player alternative to Breakthrough — playable solo, no multiplayer required. Shares Action with Breakthrough.
Demons are coming! is a bullet hell rougelite shooter where you fight a high variety of demons that occupied your holy land. Use the upgrades you find to your advantage and create your ideal guns to help you kill the most terrifying monsters.
- 2

ATOMINE
Single-player alternative to Breakthrough — playable solo, no multiplayer required. Shares Action with Breakthrough.
Atomine is a twin stick procedural shooter rogue-lite set in a virtual world with minimalist design, where the player recounts on the screen the real events of STUXNET, the first weapon ever created in the form of computer virus.
- 3

Destropolis
Single-player alternative to Breakthrough — playable solo, no multiplayer required. Shares Action with Breakthrough.
Destropolis is a top-down shooter game with a fully destructible environment, hundreds of enemies and nuclear explosions. Fight a countless swarm of enemies. Tear them to pieces with bullets, lasers and explosions. Destroy as many of them as you can before they overwhelm you...
- 4

Lost Potato
Single-player alternative to Breakthrough — playable solo, no multiplayer required. Shares Action with Breakthrough.
Lost Potato is a minimalistic top-down roguelite where you can't damage enemies directly. Push them into spikes, reflect bullets and help a young potato find its way out of a jungle filled with man-eating tribes!
- 5

Sharded World
Single-player alternative to Breakthrough — playable solo, no multiplayer required. Shares Action with Breakthrough.
Sharded World is a reversed bullet hell, rogue-lite, ARPG game combining simple gameplay and great rpg progression. Each level has its own unique features and challenges. Upgradable characters, weapons and orbs. Challenges, daily quests, and leaderboards. Fight, get stronger and defeat the Lich!
- 6

Survivor Mercs
Single-player alternative to Breakthrough — playable solo, no multiplayer required. Shares Action with Breakthrough.
Purge the billionaires' robot army with your Merc squad! Fast-paced twin-stick action, frantic horde survival, tactical squad-building & tons of loot! Exploit game-breaking synergies to beat the M.E.G.A. Corp. bosses in ever-changing operations. Lock, load, and loot, Commander!
- 7

Enter the Gungeon
Single-player alternative to Breakthrough — playable solo, no multiplayer required. Shares Action with Breakthrough.
Enter the Gungeon is a bullet hell dungeon crawler following a band of misfits seeking to shoot, loot, dodge roll and table-flip their way to personal absolution by reaching the legendary Gungeon’s ultimate treasure: the gun that can kill the past.
- 8

Flame Over
Single-player alternative to Breakthrough — playable solo, no multiplayer required. Shares Action with Breakthrough.
Blending top down "squirt em-up" action and "Pyroguelike" game mechanics, Flame Over features fast-paced fire-fighting thrills, randomly generated levels, 4 different game zones and dastardly hazards at every turn!
- 9

Idle Colony
Single-player alternative to Breakthrough — playable solo, no multiplayer required.
A condensed incremental experience, where you build a colony to collect and merge bigger and bigger fruits. Combine game-changing technologies and special upgrades to find the best synergies and take your cash flow to another dimension.
- 10

Duck's Despair
Single-player alternative to Breakthrough — playable solo, no multiplayer required. Shares Action with Breakthrough.
Embark on a brutally hard platforming journey as a desperate Duck who cannot fly. Will you make the pain your friend or give up on your dreams ?
- 11

Human: Profit
Single-player alternative to Breakthrough — playable solo, no multiplayer required.
An accurate depiction of our world, baked into a short, classic incremental game. Take over Grandpa's farm, rebuild the town, and do whatever it takes to succeed. Also rabbits.
- 12

shatAAAAp!
Single-player alternative to Breakthrough — playable solo, no multiplayer required. Shares Action with Breakthrough.
Exponentially bigger waves of cute animals require increasingly absurd means of destruction. Shoot, burn, electrocute, explode... and make sure no one ever helps you.