Single-player games like Millie
Below are 23 single-player Steam games similar to Millie, 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 Millie page.
Ranked picks
- 1

Fenced In
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Action and Indie with Millie.
An arcade-puzzle game inspired by Zoo Keeper, Fenced in has you managing 10 different animals into 4 pens, making sure carnivores don't eat herbivores and filling up the pens as much as possible to get the highest score possible!
- 2

Mouth Trap
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Action and Indie with Millie.
Mouth Trap is a retro-style arcade game where your aim is to eat as much food as you can. But watch out for those pesky germs that get in your way! Lots of treats can help (or hinder) you in your mission to complete over 100 levels of fun. Can you become a "Champion Chomper"?
- 3

KITT.IO
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Action and Indie with Millie.
Can you gain the biggest kitten following?
- 4

Jin & Jan
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Indie and Casual with Millie.
Get ready for a challenge! In Jin & Jan, you control two characters at once: Jin follows your commands, but Jan always does the opposite. Anticipate every move, dodge obstacles and enemies, and guide the brothers to the center of the map to complete the ritual of balance.
- 5

Eddie's Arcade
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Action and Casual with Millie.
Uniquely satisfying puzzle game spread out over different graphical themes. The puzzles get harder as you advance, giving you the pleasing sense of accomplishment. Collect arcade tokens to unlock new machines. Over 125 levels for hours of play.
- 6

BigChick
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Action and Casual with Millie.
Be the Chicken Moses! Let your chickens go!
- 7

Girlfriend from Hell
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Indie with Millie.
Manage your strange romance with a demonic girlfriend and experience total chaos! Laugh, be surprised, and unravel absurd situations in this crazy comedic adventure game.
- 8

Cellar
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Indie and Casual with Millie.
Short arcade game with handcrafted pixel art graphics. You play as Lily who traverses the dark corners of the basement under her house in search of her lost teddy bear. Inspired by some of the greatest fears from our childhood.
- 9

PAC-MAN™ Championship Edition DX+
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Action with Millie.
It's time to gear up!Get ready for more ghost chain gobbling and frantic action in PAC-MAN® CE-DX+! The award-winning chomping game makes a shattering debut on Steam with even more content and a refined user-interface to compare high scores with your friends!
- 10

PAC-MAN 256
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Action with Millie.
PAC-MAN 256 is the maze that never ends. But the Glitch is coming for you…
- 11

Zombillie
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Action and Indie with Millie.
Help Zobillie reach the legendary meat farm. A long road ahead: a 90 complex levels full of puzzles and traps.
- 12

Snake
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Action and Indie with Millie.
Play the classic that transcends generations.
- 13

PAC-MAN WORLD Re-PAC
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Action and Casual with Millie.
PAC-MAN arrives home on his birthday to find the Ghosts have kidnapped PAC-MAN’s family and ruined his party! Off to the rescue, PAC-MAN sets out to Ghost Island!
- 14

Centipede Gun
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Action and Indie with Millie.
Centipede Gun is a roguelite autobattler where you create bizzare creatures to face hordes of enemies! Combine different guns, modules and skills to make unique synergies and upgrade your cute little destruction machine!
- 15

Snake
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Action and Casual with Millie.
Features: - Classic score-based gameplay - Increasing difficulty over time - Simple, readable visual design - Fast restart and replay loop - Singleplayer arcade experience
- 16

Frederic: Resurrection of Music
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Action and Indie with Millie.
Frederic Chopin – a long time deceased classical compositor – returns back from beyond the grave to fight intense musical duels. In his way stand some of the worlds greatest pop stars charmed with enormous profits that wild commercialization provides
- 17

Teddy Floppy Ear - The Race
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Indie with Millie.
People of Animalville got a carting fever and you must help one of them reach for the championship. Take the wheel, choose a kart, decide which character from 'Teddy Floppy Ear’ universe you want, and start the wild ride!
- 18

FRONT MISSION 1st: Remake
Single-player alternative to Millie — playable solo, no multiplayer required.
FRONT MISSION 1st: Remake is an immersive, tactical turn-based RPG, placing you in command of the awe-inspiring Wanzers – powerful military machines.
- 19

Frederic: Evil Strikes Back
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Action and Indie with Millie.
Frederic - Evil Strikes Back - The Bigger, Better, More Awesome sequel. Great new tracks. Great new locations. Great new features. Great new story.
- 20

Violett Remastered
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Indie with Millie.
Dragged by her parents, a young and rebellious teenage girl – Violett, moves to an old spooky house in the middle of nowhere. Forced away from her friends and life in the city; she imagines how boring life in countryside will be: spending day after day, bored in her room with absolutely nothing to do.
- 21

16bit Trader
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Indie with Millie.
Take revenge on your father’s killer!
- 22

Teddy Floppy Ear - Mountain Adventure
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Indie and Casual with Millie.
Teddy Floppy Ear is a main character of series of adventure games for the children, based on the on famous Polish cartoon. Send your kid onto an unforgettable journey with the world’s most charming bear!
- 23

Teddy Floppy Ear - Kayaking
Single-player alternative to Millie — playable solo, no multiplayer required. Shares Indie and Casual with Millie.
Based on a famous Polish cartoon, Teddy Floppy Ear stands out as a great entertainment for children. Prepared by an experienced team, Teddy Floppy Ear – Kayaking mixes fun adventure game with a healthy dose of learning, perfect for young minds. Send your kid onto an unforgettable journey with the world’s most charming bear.