Synergy is a Half-Life 2 Modification that enables you to play through the Half-Life 2 series and many other 3rd-party campaigns cooperatively with friends.
Unknown
01/09/2005
Source
Co-operative
First person
| Audio | Subtitles | Interface | |
|---|---|---|---|
| Danish: | ✓ | ||
| Dutch: | ✓ | ||
| English: | ✓ | ✓ | ✓ |
| French: | ✓ | ✓ | ✓ |
| German: | ✓ | ✓ | ✓ |
| Italian: | ✓ | ✓ | ✓ |
| Korean: | ✓ | ✓ | ✓ |
| Mandarin: | ✓ | ✓ | ✓ |
| Portuguese: | ✓ | ||
| Russian: | ✓ | ✓ | ✓ |
| Spanish: | ✓ | ✓ | ✓ |
