SuperPowers is a cross platform development, you can build your game in 2D or 3D how you want !
For more information you can visit their website: http://superpowers-html5.com/index.en.html Documentation: http://docs.superpowers-html5.com/en/getting-started/about-superpowers
Hope you will enjoy it ! If you are interesting, more information or any question, you can join us in Skype.
French: https://join.skype.com/fg0IgasP1nIh English:skype:?chat&blob=8sJsk185SoncTmw8xFYe_21uqliXcObPvTZu0MLUnQQlt21BIMxRXINis8ZqsLKsXYueLevGemBKT30VzuNBgPTeVKDtBuAHLW8zSHgUVvvpTj0uJeRYaBBZtdv65kGBLWl9CHqhoCCAblBj255qH2cMBh41ZRIoLq7I2CGV-vGJrGjSKLdxpSH2DKCAdr9R4TwI
PS : I'm not a staff member, just a person fan of them and hope to see their structure grow up.