| Non-Alpha | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| Function | Cyclomatic | Modified | Strict | Essential | Nesting | Paths |
| Field_DoEnter | 2 | 2 | 2 | 1 | 1 | 2 |
| Field_Draw | 6 | 6 | 6 | 1 | 2 | 20 |
| Field_Key | 35 | 13 | 40 | 7 | 3 | 1320 |
| FindChunk | 1 | 1 | 1 | 1 | 0 | 1 |
| FindNextChunk | 5 | 5 | 5 | 5 | 2 | 9 |
| FloatNoSwap | 1 | 1 | 1 | 1 | 0 | 1 |
| FloatSwap | 1 | 1 | 1 | 1 | 0 | 1 |
| FloodArea_r | 5 | 5 | 5 | 3 | 2 | 9 |
| FloodAreaConnections | 3 | 3 | 3 | 3 | 2 | 3 |
| frand | 1 | 1 | 1 | 1 | 0 | 1 |
| FreeFileList | 3 | 3 | 3 | 1 | 2 | 3 |
| FreeLookFunc | 1 | 1 | 1 | 1 | 0 | 1 |
| FreeSound | 9 | 9 | 9 | 1 | 3 | 104 |
| FS_AddGameDirectory | 3 | 3 | 3 | 3 | 2 | 3 |
| FS_CreatePath | 3 | 3 | 3 | 1 | 2 | 3 |
| FS_Dir_f | 8 | 8 | 8 | 1 | 4 | 26 |
| FS_ExecAutoexec | 3 | 3 | 3 | 1 | 1 | 4 |
| FS_FCloseFile | 1 | 1 | 1 | 1 | 0 | 1 |
| FS_filelength | 1 | 1 | 1 | 1 | 0 | 1 |
| FS_FOpenFile | 10 | 10 | 10 | 9 | 5 | 28 |
| FS_FreeFile | 1 | 1 | 1 | 1 | 0 | 1 |
| FS_Gamedir | 2 | 2 | 2 | 1 | 1 | 2 |
| FS_InitFilesystem | 3 | 3 | 3 | 1 | 1 | 4 |
| FS_Link_f | 5 | 5 | 5 | 5 | 3 | 8 |
| FS_ListFiles | 6 | 6 | 6 | 1 | 2 | 18 |
| FS_LoadFile | 4 | 4 | 4 | 3 | 2 | 6 |
| FS_LoadPackFile | 5 | 5 | 5 | 1 | 1 | 16 |
| FS_NextPath | 5 | 5 | 5 | 5 | 2 | 10 |
| FS_Path_f | 5 | 5 | 5 | 1 | 2 | 10 |
| FS_Read | 6 | 6 | 6 | 1 | 3 | 13 |
| FS_SetGamedir | 7 | 7 | 12 | 1 | 2 | 36 |
| Non-Alpha | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |