I wish there was some actual clear end to the game.
Or, I wish that the game could go on indefinately, beyond level 12, without having to use the "Wait for Night" glitch; in other words, it should scale properly, by properly adjusting the upgrades in proportion to the zombies, or vice versa.
Also, it's too slow.
Some interesting things I found:
-Although the game seems to have no end, 12 seems to be the highest level anyone can achieve without cheating, and it seems the author is aware of that because you get no more gunmen after level 11, so he never intended for you to be able to get farther than that. I used the glitch to get to level 53, but the limit was still 8 gunmen, same as level 11.
-The glitch: If you don't use "Wait for Night" during the day, you can use it during the night to instantly kill all the zombies and skip to the day.
-If you have $252 during day 1, you still won't be able to buy the 5th gunman, because the author never intended for you to have that much. With some luck, you can sometimes get this much cash by spreading out your gunmen near the zombie's spawn zones.
-In the tips, it says the medic will heal your units and reduce zombie strength; while in the instructions, it says the medics will heal your units and reinforce the barricades. (By "units", it means only the gunmen.)
-Besides healing the gunmen, I'm not sure if the medic actually does anything else that's stated, because it's effects are so negliable. The scientist's effects are also negligable. However, they are both helpful in reducing the number of places where the zombies can spawn.
-As time goes on, the cash recieved from killing the zombies will be more than what it costs to place the traps, so with the "Wait for Night" glitch, you can eventually make enough money to max out your gun upgrades (is there a max?), even though you'll really only be able to kill using traps, since your gunmen will be far outmatched by the ever-improving zombies.
-I noticed the game looks slightly different (less polished) on other sites, such as Kongregate and AddictingGames. However, on AddictingGames you start off with an extra $200 and an extra 25 damage (and the game is slower).
-It almost always makes more sense to upgrade the barricades and number of gunmen, rather than your rifle.
-Why is the author's name "Noxins" on NG while "Undefined" on other sites?