If ever a measure of excitement prior to a game's release was needed, one simply has to look at the number of Let's Play videos littering YouTube based upon the beta versions of the game in question. Working on this theory, Kerbal Space Program is already a candidate for many people's Game of the Year.
Terraria, Kerbal Space Program, and Path of Exile can be incredibly hard for players to get into without ample prior genre experience.
Starting today, Kerbal Space Program and Shadow Tactics: Aiko's Choice are free at Epic Games Store. The free game offers run until January 12 at 11 AM Eastern. Once you claim them, they're yours to keep.
Green Man Gaming has over 1,500 indie games on sale. With savings of up to 90% to be had on a huge variety of indies, it’s a true indie extravaganza.
For the "problem solving" types, this game is addicting. It has the right blend of entertainment and realism. And there are mods, tons of mods.