1) Europa Universalis IV - 4.9k hours
2) Crusader Kings III - 1.6k
3) Stellaris - 1.4k
4) Crusader Kings II - 1.1k
5) The Elder Scrolls V: Skyrim - 716 (including both Original and Special Edition)
6) Mass Effect Trilogy - 605 (Including Legendary Edition, ME1, and ME2. Not including ME3 on EA Launcher)
7) Cities: Skylines - 561
8) Sid Meier's Civilisation V - 493
9) The Elder Scrolls III: Morrowind - 457
10) The Elder Scrolls Online - 194
11) Hearts of Iron IV - 142
12) Besiege - 119
13) The Elder Scrolls IV: Oblivion - 119 (Both Original and Remaster)
14) Assassin's Creed Odyssey - 102
15) XCOM 2 - 88
16) Victoria II - 87
17) Half-Life 2 - 80
18) Saints' Row IV - 75
19) Half-Life (Both Original and Black Mesa) - 74
20) Kerbal Space Program - 73
21) Spore - 72 (Including both expansions)
22) Robocraft - 65
23) XCOM: Enemy Unknown - 59
24) Sid Meier's Civilisation VI - 58
25) Starbound - 56

As of December 2025