Single-player games like Flux8
Below are 13 single-player Steam games similar to Flux8, 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 Flux8 page.
Ranked picks
- 1

Restitched
Single-player alternative to Flux8 — playable solo, no multiplayer required. Shares Indie with Flux8.
Join Stuffy on a charming platforming adventure as they "restitch" unraveled communities. Unleash your creativity with a robust 2.5D level editor, play dress up with a powerful mix-and-match Wardrobe, and share your creations via Steam Workshop!
- 2

Trine 4: The Nightmare Prince
Single-player alternative to Flux8 — playable solo, no multiplayer required. Shares Indie with Flux8.
The best-selling Trine series returns to the magic of 2.5D! Join three iconic heroes as they set off on a quest through fantastical fairytale landscapes to save the world from the Nightmare Prince’s shadows.
- 3

Jelly Express
Single-player alternative to Flux8 — playable solo, no multiplayer required. Shares Indie with Flux8.
Welcome to Jelly Express - the physics-based co-op game that's as cute as it is fun! Transform into wibbly-wobbly jellies, tackle all obstacles to get those packages delivered! Do it alone, or have a partner to help you out! Stretch, jump and wiggle your way to victory.
- 4

Trine 2: Complete Story
Single-player alternative to Flux8 — playable solo, no multiplayer required. Shares Indie with Flux8.
Three Heroes make their way through dangers untold in a fairytale world, featuring physics-based puzzles, beautiful sights and online co-op.
- 5

Portal 2
Single-player alternative to Flux8 — playable solo, no multiplayer required.
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
- 6

Gish
Single-player alternative to Flux8 — playable solo, no multiplayer required. Shares Indie with Flux8.
Gish isn't your average hero. In fact, he's not your average anything...you see, Gish is a ball of tar. A Sunday stroll with his lady friend, Brea, goes awry when a shadowy figure emerges from an open manhole and pulls Brea below ground.
- 7

Shift Happens
Single-player alternative to Flux8 — playable solo, no multiplayer required. Shares Indie with Flux8.
Shift Happens is a cooperative platformer for two. You and a friend shift your mass, throw each other and puzzle your way through four stages of stylized imaginary worlds. Including the occasional backstabbing and taunting. Play with a friend on a couch, online or even special singleplayer levels.
- 8

PHOGS!
Single-player alternative to Flux8 — playable solo, no multiplayer required. Shares Indie with Flux8.
In PHOGS! you play as a duo of dogs on a captivating, puzzle-filled adventure. Linked by a stretchy belly, you’ll need to bark, bite and bounce your way through obstacles set across the themed worlds of Food, Sleep and Play, in co-op or single-player.
- 9

Hover Havoc
Single-player alternative to Flux8 — playable solo, no multiplayer required.
Grab 3 friends, 4 controllers and pick your craft... then battle, bump and bounce opponents into ‘hoverific’ submission! A fun fueled pickup 'n play party game; drift through a multitude of arenas in a blur of hover-fueled rampage!
- 10

Coin-Op Kingdom
Single-player alternative to Flux8 — playable solo, no multiplayer required. Shares Indie with Flux8.
Coin-Op Kingdom is a brand new Arcade Tycoon game in a world dominated by anthropomorphic animals. Create your own arcade and customize it to your desires. With dozens of unique arcades to place, and a dynamic event system to keep things fresh, can you become the king of the arcade jungle?
- 11

Little Awesome Dudes
Single-player alternative to Flux8 — playable solo, no multiplayer required. Shares Indie with Flux8.
Experience life living in your mom’s basement, if you aren’t already! Step into LADS, build a tabletop colony, promote capitalism and defeat spooky enemies!
- 12

Descentium
Single-player alternative to Flux8 — playable solo, no multiplayer required. Shares Indie with Flux8.
Whilst researching the mysterious new element Descentium, A remote facility in Southeast Asia has gone radio silent. Alina, an elite operative who works for Descent Laboratories has been sent to investigate. Will Alina discover the secrets of the temple or fall into madness?
- 13

FRAWL
Single-player alternative to Flux8 — playable solo, no multiplayer required. Shares Indie with Flux8.
FRAWL is an action-packed, party brawler, grab up to 3 friends and battle it out as magical frogs to see who hops out on top.