Owners: Estimated number of people owning this game. The number might be way too small for new releases and sometimes way too big for games that had free weekend event recently. Read more on About page.
Playtime: Average hours played in total per person that have actually launched this game since March 2009. This time is calculated for the whole lifetime, not for the particular year.
Average score: Average users and metacritic score for all games with this score assigned.
Average playtime: Average lifetime playtime for all games where this data is available.
Games this year: Self-explaining - number of games released this year. Please note that it also includes software, but doesn't include DLC. Only inculdes games with sales data available.
Total copies owned: Refers to total copies of games released this year acquired by users for the lifetime. Includes copies sold, downloaded for free and given out.
This number might be too small for recently released games or too big for games that had a free weekend in the last couple of months.

Deus Ex: Game of the Year Edition
Hitman 2: Silent Assassin
Commandos 2: Men of Courage
Command & Conquer 3: Tiberium Wars
Thief: Deadly Shadows
S.T.A.L.K.E.R.: Shadow of Chernobyl
Hitman: Blood Money
Tomb Raider: Legend
Deus Ex: Invisible War
Vampire: The Masquerade - Bloodlines
Battlestations: Midway
Project: Snowblind
Just Cause
Runaway, A Road Adventure
Hitman: Codename 47
Commandos 3: Destination Berlin
Making History: The Calm & the Storm
Rogue Trooper
Joint Task Force
Silverfall
Sprout
Sam & Max 105: Reality 2.0
Commandos: Behind Enemy Lines
Peggle Deluxe
Runaway, The Dream of The Turtle
Commandos: Beyond the Call of Duty