Just keep upgrading the rocket until it hits space. That's a familiar concept, but today we have some different stuff to work with. Different parts act differently with each other and we unlock new ones all the time. I do launch one over 1000m which is pretty much my crowning achievement in life.
Game: https://store.steampowered.com/app/1422430/Next_Space_Rebels/
Music: (Vexento) https://www.youtube.com/channel/UCYZ9rknEmE4R1J_HBJ2yBlQ