Please help me figure out the meaning of the phrase spot-on physics in the following sentence (not available online) from the description of the game Pixel Pro Golf:
The game may look old-school but its spot-on physics add a realistic, modern feel.
Here is a description of the game from Apple App Store:
Play through 20 gorgeous pixelated courses, each carefully crafted with a unique style and conditions, as you try to become the best of the best.
Use the simple controls to aim, change club and swing. Then watch your ball head down stunning pixel fairways.