Return NULL - Episode 1
Requirements to run this game Windows PC
| Minimum | Recommended | |
| OS: | Windows XP or later | |
| Processor: | 1 GHz | |
| Memory: | 512 MB RAM | |
| Graphics: | Direct X 9 Compatible | |
| DirectX: | Version 9.0 | |
| Storage: | 250 MB available space |
Requirements to run this game Mac
| Minimum | Recommended | |
| OS: | 10.6.6 or later | |
| Processor: | 2.5GHz processor | |
| Memory: | 4 GB RAM | |
| Graphics: | Open GL 3.0 compatible | |
| Storage: | 250 MB available space |
Requirements to run this game Linux
| Minimum | Recommended | |
| OS: | Ubuntu 12.04 and Newer | |
| Processor: | 1.4GHz processor | |
| Memory: | 4 GB RAM | |
| Storage: | 250 MB available space |