Plants vs Zombies - Hard Mode

Plants vs Zombies - Hard Mode is a harder version of the original PvZ.

Levels
There are 50 normal levels, just like in the original game: 10 day levels, 10 night levels, 10 pool levels, 10 night pool (fog) levels, 9 roof levels and 1 night roof level. There are also Puzzles and Minigames.

Changes
Many things are changed in this version of the game to make it much harder.

General

 * Flags in Adventure Mode levels will be the same as the 2nd play-through - 1 more flag for most levels
 * Stronger zombies will appear earlier in the level
 * There will be much more zombies than normal
 * More graves in night, and additional graves will spawn throughout the levels even when its not night time, they start spawning after the first flag
 * Ambush zombies (Zombies from graves, the water, bungees, etc) will spawn every flag, not just on the final wave.
 * On fog levels, the fog will cover 1 more column.
 * Instant kills cannot remove ladders and Jalapenos cannot remove ice trails.

Zombies

 * Newspaper zombies are tougher: 15 peas to remove paper and 17 more to kill zombie (32 peas, stronger than a Conehead) and more dangerous. When angered, he will charge twice as fast as the normal charge. and regular plants with one bite
 * Screen Door zombies can sometimes spawn with a cone or a bucket. These have even more health than a normal Screen Door zombie
 * Football zombies are as tough as Giga-Football zombies from PvZ online (as tough as Gargantuar)
 * Dolphin Rider zombies do not lose their dolphins after jumping. They can jump multiple times like a Pogo zombie and will not slow down after jumping.
 * Gargantuars are as tough as Giga-Gargantuars
 * Dr. Zomboss will spam zombies faster and will have 2x health