I spent some time reading both the complaints about the new version and the suggestions for improvement, then went off to actually play the game. After bombing out on level 11 or so (a not uncommon occurrence for me) I'm currently on Level 15.
I fully support making the game more challenging. I'm not a hard core player and the furthest thing from a "gamer" but I've won at Level 15 8 or so times and was JUST thinking that an update was probably due when the latest version came out. The game HAS to keep evolving or we will lose interest.
Now that I've played it, I have to say I "enjoy" the toxic tiles (in a perverse way)--probably because they seem to be accompanied with a BIG jump in points and swaps.
The blue tiles are just "meh." I'll use them if it's not a big deal but otherwise I ignore them, because I prefer to play (and am playing) the "old" way, without any Gigawatts. I'm a clunky, intuitive, non-planning player and even I can advance without Gigawatts. No wrench, no buying extra swaps, no second Apocalypse. Just welding along . . . .
The three flaws I see in the new version, and they are big ones, are these:
1. First, and most importantly, the aesthetics of the game are spoiled by the blue and green tiles. Please, for the love of all things Steam Punk, follow some of the terrific suggestions in this thread and redesign them so they fit in with your metal/stone/Jules Verne design scheme. The game was SO beautiful, and right now it looks like you rolled out the update on a day your designer was out sick . . . Or you fired him/her. . . .
2. Secondly, and almost as important: The documentation for the new version is incomplete and ineffective. I shouldn't have to come to this forum to learn that you can take some of your 1000 Gigawatts and buy a permanent points upgrade. Please add some sort of tutorial in the game on the new system.
3. Thirdly, and less importantly, there are WAY too many reminders that you can buy Gigawatts. I don't mind the purchase option, but we don't need to be bombarded with it.
I'm still playing Welder, much the way I always have, and am still enjoying it.