Check Back vs Rusty's Retirement
Both are very idle incrementals. Here's how they differ, from the same data we use everywhere on IncrementalGames.org.

Check Back
Built around the title: come back later and there is more. A deliberately slow, very idle game.

Rusty's Retirement
A tiny robot farm that lives at the edge of your screen while you do other things. Idle in the purest sense.
The short version
- Check Back is completely free; Rusty's Retirement costs money.
Side by side
| Fact | Check Back | Rusty's Retirement |
|---|---|---|
| Ending | ? | Yes |
| Time to finish | ? | 15–30h |
| Idle (0 = active) | 90% | 95% |
| Offline progress | Yes | ? |
| Prestige layers | ? | 0 |
| Steam positive | ? | 97% |
| Galaxy rating | 4.3 / 5 | ? |
| Price | Free | Paid |
| Platforms | Browser | Steam |