| source game engine wikipedia | 1 | 0.2 | 514 | 28 | 94 |
| source game engine download | 1.27 | 0.4 | 7950 | 27 | 4 |
| games made on the source engine | 0.01 | 0.6 | 1346 | 31 | 52 |
| games on source engine | 1.13 | 0.9 | 8352 | 22 | 98 |
| source engine game maker | 0.56 | 0.7 | 4970 | 24 | 24 |
| source game engine free download | 1.04 | 0.9 | 3035 | 32 | 35 |
| source 2 game engine | 1.46 | 0.5 | 5586 | 20 | 99 |
| source 3 game engine | 0.8 | 0.4 | 3074 | 20 | 61 |
| open source game engine | 0.86 | 0.1 | 6047 | 23 | 36 |
| source 3d game engine | 1.56 | 0.8 | 5418 | 21 | 53 |
| source code of any game engine | 1.52 | 0.1 | 9197 | 30 | 69 |
| from software game engine | 1.21 | 0.5 | 2034 | 25 | 44 |
| list of source engine games | 0.8 | 0.8 | 1121 | 27 | 2 |
