The best Game Development alternative to Rhinoceros is Zmodeler, which is free. If that doesn't suit you, our users have ranked more than 50 alternatives to Rhinoceros and three of them are Game Development Tools so hopefully you can find a suitable replacement. Other interesting Game Development Tool alternatives to Rhinoceros are Awakening and DX Studio.
Rhinoceros alternatives are mainly Game Development Tools, but if you're looking for
3D Modelers you can filter on that. Other popular filters include
Free,
Linux,
Open Source and
iPad. You can also filter by region, for example
EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Rhinoceros.
Zanoza is a low-poly modeller, lacking all the surface modelling capabilities available in Rhino.