Formulaic "retro" synth work and misplaced juxtaposition regarding the samples. The rim shot sample feels like it's taking center stage on a rather cinematic string section while your square wave "leads" attempt to evoke notions of nostalgia. Honestly, the notes are well placed and hold a rather nice tune within the composition. It's just the fact that it all sounds quite cheap. Perhaps look into leveling and mastering a touch and pick up some sample packs designed for what you wish to produce. The drums toward the end of the work are unnecessary and totally jarring.