Put together by one-man coding powerhouse Toby Fox, 2015's critic lists have been thoroughly dominated by Undertale and its staggering innovation. Sure, budgetary restrictions (or just personal choice) has made it look like it was programmed into a box of ham, but its by seeing past that and into some of the best characterisation and world premises in years, that'll suck you in and get you on board with those 90+ ratings on Metacritic. By going with the unique idea of actually befriending all the monsters you come across in the underground world you fall into, it opens up a ton of branching paths and narrative elements that have just the right amount of weight, before late-game and repeated playthroughs make you realise just how much attention the game was paying to you, too. In terms of gameplay it's a fairly basic RPG, but the combat takes on a cool arcade mechanic framed as you actively 'piloting' your character's soul (represented with a heart icon) through varying degrees of obstacles and animations, depending on what you're fighting. It's all very weird, it's all very strange and very quirky, but it's absolutely everything the industry needs right now; a game to take us back to those early 90s delights of getting truly lost in a foreign world, before simply seeing what happens when you start walking through it.