Single-player games like Grandpa High on Retro
Below are 10 single-player Steam games similar to Grandpa High on Retro, 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 Grandpa High on Retro page.
Ranked picks
- 1

Arthas - The Game
Single-player alternative to Grandpa High on Retro — playable solo, no multiplayer required. Shares Action and Adventure with Grandpa High on Retro.
A great game about a Great man!
- 2

Timothy vs the Aliens
Single-player alternative to Grandpa High on Retro — playable solo, no multiplayer required. Shares Action and Indie with Grandpa High on Retro.
An open-world game that combines platforms, puzzles and a lot of action in a large city that can be freely explored and is full of characters, stories and adventures.
- 3

Better Off Dead - Life as a Prison Guard
Single-player alternative to Grandpa High on Retro — playable solo, no multiplayer required. Shares Action and Adventure with Grandpa High on Retro.
Story driven first-person comedy-thriller where you are tasked with guarding a small prison for 7 days.
- 4

Dave-Man
Single-player alternative to Grandpa High on Retro — playable solo, no multiplayer required. Shares Action and Indie with Grandpa High on Retro.
Get your coffee while avoiding co-workers. Repeat. Repeat. Repeat...Retire.
- 5

Great Tough Bikini 6
Single-player alternative to Grandpa High on Retro — playable solo, no multiplayer required. Shares Action and Indie with Grandpa High on Retro.
"Bikini Warriors, Slay the Orcs!" Brutal orcs have taken over the resort city. Now, the enraged bikini warriors strike back. A hot and exhilarating hack-and-slash action experience! The secret story of the six bikini warriors begins.
- 6

StarStruck
Single-player alternative to Grandpa High on Retro — playable solo, no multiplayer required. Shares Action and Adventure with Grandpa High on Retro.
Check this High-Octane Roguelite-Survivor TPS! Blast, burn, and mutilate your way through five rounds of escalating carnage. Hunt secrets, upgrade your arsenal, and break the curse of a mad villain to save a universe at war as Tigo, the galaxy’s last un-cursed tiger and his gang of unlikely friends.
- 7

The Rocky Horror Show Video Game
Single-player alternative to Grandpa High on Retro — playable solo, no multiplayer required. Shares Action and Indie with Grandpa High on Retro.
A strange journey
- 8

Finders Reapers
Single-player alternative to Grandpa High on Retro — playable solo, no multiplayer required. Shares Action and Indie with Grandpa High on Retro.
Finders Reapers is an inventive third-person shooter. Experience items raining from the sky, collect them, sell them and discover a whole new concept where cash is ammo.Take on missions, fight it out online or battle against bots in custom skirmish mode.It’s time to prove you’re the best.
- 9

Haters
Single-player alternative to Grandpa High on Retro — playable solo, no multiplayer required. Shares Indie and Adventure with Grandpa High on Retro.
A walking simulator with a story rich game about a stoner that wakes up in the middle of the forest wondering where his girlfriend went after a late session the night before.
- 10

Liminal Death
Single-player alternative to Grandpa High on Retro — playable solo, no multiplayer required. Shares Indie and Adventure with Grandpa High on Retro.
Liminal Death is a first person psychological horror game with liminal space environments where you will expirience what will happened when someone mind after it falls into comma and have to fight to get back to the body.