Some double ups here from previous posters, but a few games my son plays that you might want to check out are:

• F1 Race Stars
• GRIP: Combat Racing
• Human Fall Flat
• Redout: Enhanced Edition
• Sonic & All-Stars Racing Transformed
• Unravel Two
• Trine series
• SuperTuxCart
• Ibb & Obb
• Never Alone
• Riptide
• Child of Light
• Lego series