Starena is robot based gladiator style of game, and since its voxel based you can chip away at your opponent over the battle. This is available on steam now: https://store.steampowered.com/app/789770/Starena/
you are the newest fighter in the roster of the most popular sports competition in the universe. The universe might be peaceful now thanks to the advancements in science and technology, but that doesn’t mean that people stopped looking for excitement! You will have to fight robots and creatures from across the whole universe. All of them are bigger, stronger and meaner than you – but you can defeat them through skill, cunning and reflexes! Give the audience a good show to win their devotion, and you’ll become the most famous fighter in the universe!