Choose Just One Line
Choose Just One Line if you want the Multi-player and Steam Leaderboards side of the pairing. On Steam, it's free to play, so the barrier to trying it is zero. Just One Line launched in 2018.
Just One Line vs Heart of Ice by Dave Morris
Just One Line and Heart of Ice by Dave Morris both land in Indie, Adventure, RPG 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, RPG on Steam. Just One Line (2018) is 7 years older than Heart of Ice by Dave Morris (2025). Just One Line is free; Heart of Ice by Dave Morris is paid (4.99 USD). 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 Heart of Ice by Dave Morris
Choose Heart of Ice by Dave Morris if you want the Camera Comfort, Custom Volume Controls, and Playable without Timed Input side of the pairing. On Steam, it's the newer release (2025) and ships with the modern feature baseline. Heart of Ice by Dave Morris launched in 2025.
Both Just One Line and Heart of Ice by Dave Morris sit in Indie, Adventure, and RPG 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
 Just One Line |  Heart of Ice by Dave Morris | |
|---|---|---|
| Released | 2018 | 2025 |
| Genres | Indie, Adventure, RPG, Casual | Indie, Adventure, RPG, Casual |
| Platforms | Windows, Linux | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | Free to play | 4.99 USD |
| Steam reviews | 57.4% positive (68 reviews) | 1 reviews |
| Multiplayer | Multi-player | Single-player only |
| Developers | JOL Studios | Infinite Zone |
Side by side
- Both share Indie, Adventure, RPG on Steam.
- Just One Line (2018) is 7 years older than Heart of Ice by Dave Morris (2025).
- Just One Line is free; Heart of Ice by Dave Morris is paid (4.99 USD).
- Just One Line is Deck Playable on Steam Deck; Heart of Ice by Dave Morris has no Deck rating yet.
Just One Line vs Heart of Ice by Dave Morris — FAQ
- Should I play Just One Line or Heart of Ice by Dave Morris first?
- If you want chronology, Just One Line (2018) came out before Heart of Ice by Dave Morris (2025). 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 Just One Line and Heart of Ice by Dave Morris similar?
- They overlap on Indie, Adventure, RPG 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 Heart of Ice by Dave Morris have multiplayer like Just One Line?
- No. Just One Line supports multiplayer on Steam (Multi-player), while Heart of Ice by Dave Morris is listed as single-player only.
- Is Just One Line free?
- Yes — Just One Line is a free-to-play Steam title. Heart of Ice by Dave Morris is paid (4.99 USD).
- Does Just One Line run on Steam Deck?
- Yes — Just One Line is rated Deck Playable by Valve. Heart of Ice by Dave Morris doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.