Choose THE GOOD OLD DAYS
Choose THE GOOD OLD DAYS if you want the Steam Leaderboards side of the pairing. On Steam, it's Steam Deck Verified, so handheld play works out of the box. THE GOOD OLD DAYS launched in 2025.
THE GOOD OLD DAYS vs The Shadow Cosmos
THE GOOD OLD DAYS and The Shadow Cosmos both land in Action, Indie, Adventure 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 Action, Indie, Adventure on Steam. THE GOOD OLD DAYS (2025) is 1 year older than The Shadow Cosmos (2026). THE GOOD OLD DAYS is Deck Verified on Steam Deck; The Shadow Cosmos has no Deck rating yet. 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 The Shadow Cosmos
Choose The Shadow Cosmos if you want the DualSense Controller Support, Steam Input API Support, and Gamepad Recommended side of the pairing. The Shadow Cosmos launched in 2026.
Both THE GOOD OLD DAYS and The Shadow Cosmos sit in Action, Indie, and Adventure on Steam and both list DualShock Controller Support, Custom Volume Controls, and Stereo Sound, 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
 THE GOOD OLD DAYS |  The Shadow Cosmos | |
|---|---|---|
| Released | 2025 | 2026 |
| Genres | Action, Indie, Adventure | Action, Indie, Adventure |
| Platforms | Windows, Linux | Windows, macOS, Linux |
| Steam Deck | Deck Verified | Unrated |
| Price | 19.99 USD | Price unknown |
| Steam reviews | 90.9% positive (22 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | ヨコゴシステムズ | MadMedois, SandRaw |
Side by side
- Both share Action, Indie, Adventure on Steam.
- THE GOOD OLD DAYS (2025) is 1 year older than The Shadow Cosmos (2026).
- THE GOOD OLD DAYS is Deck Verified on Steam Deck; The Shadow Cosmos has no Deck rating yet.
THE GOOD OLD DAYS vs The Shadow Cosmos — FAQ
- Should I play THE GOOD OLD DAYS or The Shadow Cosmos first?
- If you want chronology, THE GOOD OLD DAYS (2025) came out before The Shadow Cosmos (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 THE GOOD OLD DAYS and The Shadow Cosmos similar?
- They overlap on Action, Indie, Adventure 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.
- Does THE GOOD OLD DAYS run on Steam Deck?
- Yes — THE GOOD OLD DAYS is rated Deck Verified by Valve. The Shadow Cosmos doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.