Puzzle: Underwater World is a classical puzzle game invented in 1878, it’s still popular today. The sliding puzzle that consists of a frame of numbered square tiles in random order with one tile missing. The object of the puzzle is to place the tiles in order by making sliding moves that use the empty space.
0
playing now
40%
positive of 10 reviews
Mixed
steam rating
20,000–50,000
owners (SteamSpy est.)
$1.99
steam price (US)
0 players in-game as of 2026-08-30 15:00 UTC (census sample)
Health check
Insufficient data
· Not enough review history collected yet to judge health.
· Top 100% of 11,450 Adventure games in the census by review count.
All-time low: $0.49 at Steam (2017-10-09)via IsThereAnyDeal
12-month high $1.99 · on sale 10 of 21 observed days (census price snapshots)
Players online
Concurrent players, hourly average, last 30 days (census samples).
Price history
Lowest recorded price across tracked stores, per day (census snapshots).
Details
WindowsSingle-playerFamily Sharing
1 supported languages: English
Census log
2026-08-12Highest concurrent player count the census has recorded: 0 (2026-08-12).
Computed from census-recorded observations only — dates are observation dates.