Games in general often have unrealistic physics when it comes to projectiles, but the more simplistic platformers sometimes take this to the extreme. Specifically, they'll let you jump on and ride atop one in mid-flight, without altering its perfectly-straight trajectory. Usually, if you screw up the jump TO the platform-projectile, the 'pointy' end will injure you. That is, of course, a problem [...] [tvtropes.org]