Mass Effect 2 -
In 2003 Bioware makes KOTOR and while it was turn based, it had a faster feel to it. You could position your character up on an enemy and physically move them, and actions where performed with fast movements even if there still was a dice roll. It was a departure for Bioware who was moving towards real time action combat in RPGs.
In 2005 they make Jade Empire, and this time they've refined the system from KOTOR. The game is a lot more action packed, has dodging and rolls and quick action attacks but suffers from simplistic mechanics and lack of depth. It falls flat.
When Mass Effect hits in 2007, we see the third generation. Now we can aim at with our characters. There is still levels and gears. The game works, but the cover mechanics is garbage, the squad mechanics are garbage, the loot system and inventory systems are pointless busywork. The game is full of atmopshere and promise but it doesn't reach its potential.
Along with Witcher 2, Mass Effect 2 is the most improved sequel I have ever played. Mass Effect 2 was an incredible game. It foregoed the main plot and focused on what Bioware does best- Characters, and made the squad you're collecting the central theme of the game. The combat was feeling very fluid like a real action game, ammo was introduced, cover system was tightened up, as was UI, the game had more open enviornments, it had a lot more challenging content and the tone war a lot darker.
Its companions was also incredible. In Mass Effect 1 the entire range of characters was not very fleshed out and interesting. you had idealistic aliens who worship shepard and boring plain jane humans wrapped in standard sci-fi military jargon.
ME2 introduced Mordin a pragmatic and offensive brilliant doctor who gives a rats ass about the moral consequences in favor of the greater good. And Thane a sentimental assassin who ponders about philosophy as he deals with his own demons. And Legion a hive-mind AI that you're not really sure if good or bad. The characters where so much more intriguing than in ME1 and those that returned in ME2 where a lot better.
The DLC for ME2 was also incredible.
Mass Effect 2 showed the promise of Bioware trying to take their storytelling games from turn based RPGs into functional action games. Jade Empire and ME1 where failures. ME2 stands on its own for its gameplay.
Total War Shogun 2 -
Game is legendary. If you need to buy your first total war, you might want to start with Warhammer, but Shogun 2 is an amazing place to start as well. It's difficult to express how small general icons and all the small voice work and sounds mean- but trust me when I say that it adds up. In total War you're constantly dealing with the UI, and they fucked it up immensely in Rome 2 and Atilla. Shogun 2 is snappy, tight, conceise and fun. You need to play Shogun 2. It's a brilliant video game.