Theta and Paralldox on Worldlines
XXela · 2026-02-03
Steam
Indie
Modes: Single player
Releases: Feb 05, 2026 (PC (Microsoft Windows))
A lovely logical puzzle game about the many-worlds interpretation and quantum mechanics.
97%
positive of 280 reviews
Very Positive
steam rating
pending
deck/linux tier (ProtonDB)
Health check
Quietly active
- · 29 reviews in the last 8 weeks (~4/week).
- · Review velocity down 47% vs the prior 8 weeks.
- · Top 43% of 20,186 Indie games in the census by review count.
Estimated sales: 5.6k–13k copies
Review-multiple estimate from 280 total reviews — how this is computed.
Current store prices
| lowest across shops (ITAD) | $8.99 | -10% |
Deal snapshots via CheapShark, refreshed daily.
All-time low: $8.99 at Steam (2026-02-04)via IsThereAnyDeal
12-month high $9.99 · on sale 0 of 13 observed days · at its all-time low (census price snapshots)
Review momentum
PositiveNegative
Weekly review counts (Steam review histogram). Positive above the line, negative below.Price history
Lowest recorded price across tracked stores, per day (census snapshots).Completion
12.4%
median achievement earned by
- · 87.7% of players earned Awaken
- · 12.4% of players earned Cyan
- · 3.5% of players earned World and Lines
Global achievement rates from Steam.
Details
WindowsFull controller supportSingle-playerSteam AchievementsFull controller supportCustom Volume ControlsKeyboard Only Option#category_playable_at_your_own_pacePlayable without Timed InputSave AnytimeSteam CloudFamily Sharing
3 supported languages: English, Simplified Chinese, Japanese
Census log
- 2026-02-04First review activity on record (week of 2026-02-04).
- 2026-02-04Biggest review week on record: 54 reviews (week of 2026-02-04).
Computed from census-recorded observations only — dates are observation dates.
Discord ↗