If you're on a budget and want to add voiceovers to your game, DeepZen is a good option. This text-to-speech service powered by AI is geared for game developers and offers high-quality audio with human-sounding emotion and intonation. It works with Unreal Engine and Unity, so it's easy to fit into your game development pipeline. DeepZen offers tiered pricing, including a $35/month Professional plan, so you can find something that works for your budget.
Another option is PlayHT, which offers more than 600 ultra-realistic AI voices in multiple languages and accents. It's got custom pronunciation, real-time voice cloning and an API for live streams and games. PlayHT has a free version and several paid options, so it should be available to most people. Its library of voices and customization options can help make your game sound more realistic and engaging.
ElevenLabs is another contender with high-quality voices in 29 languages. It's got voice cloning, dubbing and long-form voice generation abilities that should help with whatever content creation needs you have. The service has a free plan with basic abilities and paid options starting at $5 per month, so it's a good option for game developers on a budget.
If you're looking for something more targeted at game developers, EasyDX is geared specifically for providing voiceovers. It's got voice cloning abilities and a library of premade voices you can use for character voices and game audio. With bulk import for dialogue and high-quality audio export, it's designed to make scriptwriting and audio production easier and cheaper than hiring a studio and editor.