Open Ended, Sandbox OR Multiplayer Only 32 games

# Game Achievements Playtime
1 Team Fortress 2 Free2Play
60% (314 of 520) about 1128 hours
2 theHunter Classic Free2Play
6% (9 of 170) about 196 hours
3 Audiosurf Playing Now
57% (11 of 19) about 90 hours
4 HAWKEN Early Access Free2Play Removed/Disabled From Steam
about 58 hours
5 Banished
69% (25 of 36) about 75 hours
6 Kerbal Space Program Early Access
about 61 hours
7 Goat Simulator
57% (73 of 127) about 47 hours
8 theHunter: Call of the Wild™
22% (34 of 160) about 18 hours
9 theHunter: Primal Other Gifts
20% (14 of 70) about 9 hours
10 Audiosurf 2 Early Access
22% (3 of 14) about 27 hours
11 PAYDAY: The Heist Other Gifts
17% (9 of 56) about 66 hours
12 Melody's Escape
62% (5 of 8) about 5 hours
13 PAYDAY 2
1% (10 of 1328) about 3 hours
14 Euro Fishing
2% (1 of 97) about 1 hour
15 Fishing Planet Early Access Free2Play
0% (0 of 17) about 1 hour
16 Shattered Horizon MP Dead
about 1 hour
17 Interstellar Marines Early Access
0% (0 of 28) 36 minutes
18 Gotham City Impostors
33 minutes
19 Gratuitous Space Battles
about 5 hours
20 Quake Champions
2% (1 of 52) about 2 hours
21 Killing Floor
1% (1 of 285) 26 minutes
22 Battlefield: Bad Company™ 2 Won on SteamGifts
41 minutes
23 Chivalry: Medieval Warfare
0% (0 of 49) 17 minutes
24 Depth
0% (0 of 40) 12 minutes
25 Shattered Horizon: Arconauts MP Dead
0% (0 of 6) 2 minutes
26 Day of Defeat: Source Achievements?!?!
0% (0 of 54) 0 minutes
27 Team Fortress Classic
0 minutes
28 Day of Defeat
0 minutes
29 Half-Life 2: Deathmatch
0 minutes
30 Half-Life Deathmatch: Source
0 minutes
31 Gotham City Impostors: Free To Play Free2Play
0% (0 of 412) 0 minutes
32 World of Warships
3% (1 of 45) about 3 hours