1.0·Every feature free until Premium arrives in October
Chess Evolved Online achievements, rarest first.
Every achievement in Chess Evolved Online, ranked by how many Steam players have unlocked it. Global completion rates from Steam, refreshed daily.
The rarest achievement
A hidden achievement
1.6%
of players
- Achievements
- 1
- Rarest
- 1.6%
- Ultra rare (under 5%)
- 1
- Average completion
- 1.6%
1
[REDACTED]Hidden
Hidden achievement. Description revealed on unlock.
1.6%
Percentages are Steam's global unlock rates across all players who own Chess Evolved Online, refreshed daily. Under 5% is marked in the lit blue.