An overflowing real physics-based simulated water fountain, You need to play the animation for at least 10 frames to see results. Check this video for more details on how to run the simulation. https://1drv.ms/u/s!Ak0GKWJEKPFxiox8KbGADcbZQvOe6A?e=60iQtX For Optimized playback: 1. Click on "Water" object. 2. Go to Physics Properties. 3. scroll down to "Cache" settings. 4. Change "Type" from "Reply" to "All" 5. A "Bake all" option will appear below. 6. choose the "End" (frame limit) in the "output properties" or from the timeline panel. 7. get back to step 5 and press bake all, leave it to run a bit and once it's done you can play the animation with higher frame rates.