Sphere City
by Ava Studio · Stake exclusive · built on Stake Engine
Sphere City is an Ava Studio slot built on Stake Engine and only available on Stake. The base game returns 95.38%, the top win is 10,000x, and it has 3 bet modes including bonus buys from 100x.
- RTP
- 95.38%
- Max win
- 10,000x
- Bonus buy
- 100x
About Sphere City
Sphere City is a glittering, cosmic piece of art. The cover shows a glass-like orb with a bright golden starburst at its center, circled by two gold rings, against a violet and blue background of sparks and lightning-like streaks.
Ava Studio lists the base game at 95.38% RTP with a top prize of 10,000x, about 1 in 952,400 spins. The Bonus buy costs 100x the bet and returns 95.37%; the maximum shows up about 1 in 2,000 buys. The Super buy costs 300x, returns 95.42% and brings the maximum roughly 1 in 313 buys. Both buys share the same 10,000x ceiling as the base game. The slot runs on Stake Engine and was released on Stake in March 2026.
Sphere City at a glance
- RTP
- 95.38%
- RTP across modes
- 95.37% – 95.42%
- Max win
- 10,000x
- Bet modes
- 3
- Released
- 25 Mar 2026
- Added to Stake
- 25 Mar 2026
Bet modes
Every way to play Sphere City: the base game, paid feature toggles and bonus buys, with each mode’s own return and cap. Cost is per spin, in multiples of your bet.
| Mode | Cost | RTP | Max win | Max win odds |
|---|---|---|---|---|
| BaseBase | 1x | 95.38% | 10,000x | 1 in 952,381 |
| Bonus buyBonus buy | 100x | 95.37% | 10,000x | 1 in 2,002 |
| Super buyBonus buy | 300x | 95.42% | 10,000x | 1 in 313 |
Try Sphere City on Stake
18+. Gambling can be addictive — set limits and play for fun, not to make money.
