# Solo-built mobile game

A mobile game built by a former big tech employee after leaving a full-time job. It grew with no paid marketing.

| Tag | Value | Confidence |
|---|---|---|
| Category | Software and apps | 96% |
| Earns from | Ads | 53% (low) |
| Startup cost (estimate) | $100 to $1k | 45% (low) |
| Time (estimate) | Part-time | 43% (low) |
| Where | Online | 98% |
| Coding | Needs coding | 99% |

Owner-reported (not verified): Hit a $10K a month goal and $155K in revenue in the first year after launch

Source: [This app replaced my 9-5 ($155K/year)](https://www.youtube.com/watch?v=axH1e2cZSrw), Starter Story, Ken, with Pat Walls, 2026-09-13
Page: https://allsidehustleideas.com/ideas/solo-built-mobile-game-3eef8f

## About this data

- Sources are public, first-person accounts: interviews, podcasts and community threads.
- Cost, time and the other tags are machine estimates, each with a confidence score.
- Income figures are the owner's own claim. We don't verify them.
- Link the idea page and its source. Call income figures the owner's unverified claim, and cost and time estimates.