| Wisk | Developer | |
| Wiskered | Developer | |
| WispJam | Developer | |
| Wispfire | Developer | |
| WispyMouse | Developer | |
| Wistone Entertainment | DeveloperPublisher | |
| WitPOP | Developer | |
| Witan Entertainment | Publisher | |
| Witch Beam | DeveloperPublisher | |
| Witch Star | Developer | |
| Witch Warlock | Developer | |
| Witch's | DeveloperPublisher | |
| Witch's Hex | Developer | |
| Witchbehindthebush | Developer | |
| Witchcraft | Developer | |
| WitcherHuitcher | Developer | |
| Witching Hour Studios | Developer | |
| WithTools | Developer | |
| Wither Studios | Developer | |
| WitherSkell | Developer | |
| WitheringCrown | Developer | |
| Witmog | Developer | |
| Witty Wolf | Publisher | |
| WittyWare | Developer | |
| Wix Games | Developer | |
| WizBang! Software Productions | Developer | |
| WizByte Games | DeveloperPublisher | |
| WizarBox | Developer | |
| Wizarbox | Developer | |
| Wizard | DeveloperPublisher | |
| Wizard Fu | Developer | |
| Wizard Fu Games | Developer | |
| Wizard Games | DeveloperPublisher | |
| Wizard Games of Scotland | Publisher | |
| Wizard Soft | DeveloperPublisher | |
| Wizard Software | Publisher | |
| Wizard Studios | Developer | |
| Wizard System Software | Publisher | |
| Wizard.Exe | Developer | |
| WizardDev | Developer | |
| WizardSoft | Developer | |
| WizardWorks | DeveloperPublisher | |
| WizardX11 | Developer | |
| Wizardly Engineering | Developer | |
| Wizards of the Coast | DeveloperPublisher | |
| Wizbang! Software Productions | Developer | |
| Wizcas Chen | Developer | |
| Wizet | Developer | |
| Wizgate | DeveloperPublisher | |
| Wiznwar | Developer | |