Choose lily's world XD
Choose lily's world XD if you want the Custom Volume Controls, Playable without Timed Input, and Save Anytime side of the pairing. lily's world XD launched in 2026.
lily's world XD vs Happy Nuclear
lily's world XD and Happy Nuclear both land in Indie, Casual on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both share Indie, Casual on Steam. Happy Nuclear (2025) is 1 year older than lily's world XD (2026). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose Happy Nuclear
Choose Happy Nuclear if you want a Simulation and RPG game with Steam Leaderboards. Happy Nuclear launched in 2025.
Both lily's world XD and Happy Nuclear sit in Indie and Casual on Steam, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 lily's world XD |  Happy Nuclear | |
|---|---|---|
| Released | 2026 | 2025 |
| Genres | Indie, Casual | Indie, Simulation, RPG, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Price unknown | 4.99 USD |
| Steam reviews | — | 4 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | SonderingEmily | Hi-Develop |
Side by side
- Both share Indie, Casual on Steam.
- Happy Nuclear (2025) is 1 year older than lily's world XD (2026).
lily's world XD vs Happy Nuclear — FAQ
- Should I play lily's world XD or Happy Nuclear first?
- If you want chronology, Happy Nuclear (2025) came out before lily's world XD (2026). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are lily's world XD and Happy Nuclear similar?
- They overlap on Indie, Casual on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.