Kenney on Twitter: "First few tiles of the 'Topdown Shooter' pack (pixel version), will be free update to Kenney Game Assets 2! https://t.co/zF5OEATw3o" / Twitter
2D Top Down Shooter - UnityList
Kenney on Twitter: "Free assets: Includes 550+ tiles and people for top-down shooters! #gamedev #gameassets https://t.co/k9JLojDWnF https://t.co/sWAZXgst53" / Twitter
Free Top Down Shooter/Player Sprites - UnLucky Studio
Top-Down Shooter Pack | GameDev Market
Top-Down Shooter: Tileset by craftpix_net | GraphicRiver
TopDown Engine - the best 2D and 3D top down solution for Unity, by More Mountains
Top Down Space Shooter Creation Kit - Game Art 2D
Top-Down Shooter Engine by ZBG | GameMaker: Marketplace