Choose Keplerth
Choose Keplerth if you want a RPG experience. 1,171 Steam reviews back the pick.
Keplerth vs Aether Effect
Keplerth and Aether Effect both land in Indie, Adventure, Simulation 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, Adventure, Simulation on Steam. Aether Effect is free; Keplerth is paid (14.99 USD). Both support cooperative play. 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 Aether Effect
Choose Aether Effect if you want a Free To Play experience. On Steam, it's free to play, so the barrier to trying it is zero.
Both Keplerth and Aether Effect sit in Indie, Adventure, and Simulation on Steam and both list Multi-player, Online Co-op, and LAN Co-op, 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
 Keplerth |  Aether Effect | |
|---|---|---|
| Released | 2022 | — |
| Genres | Indie, Adventure, Simulation, RPG, Casual | Indie, Adventure, Simulation, Free To Play, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 14.99 USD | Free to play |
| Steam reviews | 84.8% positive (1,171 reviews) | — |
| Multiplayer | Multi-player, Online Co-op, LAN Co-op | Multi-player, Cross-Platform Multiplayer, Online Co-op |
| Developers | TARO | Dreamtowards |
Side by side
- Both share Indie, Adventure, Simulation on Steam.
- Aether Effect is free; Keplerth is paid (14.99 USD).
- Both support cooperative play.
- Keplerth is Deck Playable on Steam Deck; Aether Effect has no Deck rating yet.
Keplerth vs Aether Effect — FAQ
- Are Keplerth and Aether Effect similar?
- They overlap on Indie, Adventure, Simulation 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.
- Do both Keplerth and Aether Effect have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Keplerth ships Online Co-op, LAN Co-op; Aether Effect ships Online Co-op, LAN Co-op.
- Is Aether Effect free?
- Yes — Aether Effect is a free-to-play Steam title. Keplerth is paid (14.99 USD).
- Does Keplerth run on Steam Deck?
- Yes — Keplerth is rated Deck Playable by Valve. Aether Effect doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.