Single-player games like Diamond
Below are 8 single-player Steam games similar to Diamond, 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 Diamond page.
Ranked picks
- 1
Digseum
Single-player alternative to Diamond — playable solo, no multiplayer required. Shares Casual with Diamond.
Digseum is a short incremental journey about digging up ancient relics and building the greatest museum ever!
- 2
I Can't Believe It's Not Gambling
Single-player alternative to Diamond — playable solo, no multiplayer required. Shares Casual with Diamond.
Do you love opening loot crates, but hate the tedious gameplay sessions in between? Our marketing department has the game for you! Unbox random items! Get stuff, but not what you really want! Skate legal and ethical lines! Remember kids, its only a video game, so grab your parents credit card!
- 3
Chillquarium
Single-player alternative to Diamond — playable solo, no multiplayer required. Shares Casual with Diamond.
Chillquarium is a cozy and relaxing idle game. Buy fish and raise them in real time, then sell them to turn a profit! Customize your aquarium as you progress from a simple starter tank to your dream setup by filling your collection with rare exotic fish and ultra-rare color variants!
- 4
WHAT THE GOLF?
Single-player alternative to Diamond — playable solo, no multiplayer required. Shares Indie with Diamond.
A silly physics-based golf parody where every golf course is a new surprising type of golf, some brilliant or hilarious, others so absurd you will ask yourself: WHAT THE GOLF?
- 5
The Ramp
Single-player alternative to Diamond — playable solo, no multiplayer required. Shares Indie and Casual with Diamond.
A digital toy for skateboard loving people. Pure flow, no extra fluff.
- 6
The Best Duck Clicker
Single-player alternative to Diamond — playable solo, no multiplayer required. Shares Indie and Casual with Diamond.
A small clicker game about destroying ducks! Collect 40+ ducks, upgrade all your stats, and repeat! Includes normal & master ducks, timed events, tons of upgrades, rebirths, achievements, and more!
- 7
Is This Seat Taken?
Single-player alternative to Diamond — playable solo, no multiplayer required. Shares Indie and Casual with Diamond.
Is This Seat Taken? is a logic puzzle game where you play matchmaker for groups of hilariously particular people. Each character has pet peeves that make seating them a delightful challenge. Find the perfect spot for each person to unlock new levels in this cozy, silly, and relatable experience.
- 8
Clicker Clicker Clicker
Single-player alternative to Diamond — playable solo, no multiplayer required. Shares Indie and Casual with Diamond.
Click on the cursor to receive clicker gold. Upgrade your clicks with your clicker gold. Click on the falling cursors to receive more clicker gold! Purchase projectiles in the shop that will clean out the falling cursors for you.