Great game
Despite what everyone has been saying every level can be beaten with out too much difficulty as the game is. You just have to keep playing 20 to get around 5000 a game so you can upgrade all your weapons.
The weapons are well done but i think where people are having the problem is at the upgrade screen, on the shotgun and scattergun when you buy the first upgrade for each of the catorgories it shows that you have the third upgrade when you dont and it can still be purchased.
As for the achievements i have all but 5 of them with almost destroy 5000 targets. i think there is a bug with the fire 5000 shots and unlock all glossary entries.
The 5000 shots only seem to work with normal gun and shotgun. Im not sure if thats how its meant to be or not but without the scattergun for it it takes a long time to complete.
Unless there is a secret glossary it doesnt work because i have 12/12 shown ones and dont have the achievement for it.
Also the 100000 credits is time comsuming i only have 20000 from beating all the levels.
Apart from the descriptions being a bit off like others already mentioned and those few bugs its a great game 10/10
Look forward to seeing more from Electrikill world!