|The Mad Murderer 2|
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The most notable differences in comparison to common games of the genre are the tweaks made to the knife and the gun. Instead of unlimited throwing knives triggered by holding down the left mouse key, the murderer must collect "ammo" by killing other players (or by purchasing a knife bag) in order to toggle a separate throwing mode. In addition, the gun has a timer, so holding the gun too long will cause it to be dropped into the dedicated gun spawn zones and becomes unable to be picked up by the same player until someone else touches it, a certain amount of time has passed, or other remaining survivors are eliminated (in which case the time limit will also be removed). The murderer may enter certain areas that are off-limits to all other players, such as vents in the new Office map. Each map has also some breakable objects that can be broken by attacking them with the knife or the gun, although a few objects are exclusively affected by the knife.
Purple orbs with a white letter "M" inside spawn all across the maps in Classic Gamemode. Originally, collecting enough of these orbs rewarded players with a chest (if vacant chest slots are present). This was later changed to increase the player's chance to get a chest randomly. The chests can be opened by waiting for the timer on the chest to run out or by spending certain amount of rubies on it. The required amount of rubies to open a chest varies depending on the quality of the chest and remaining time before it will unlock on its own. Each chest contains a varying amount of coins and sometimes crafting materials.
The Mad Murderer 2 features a trading system and a crafting system. The trading system allows players to freely trade weapon skins, crafting materials and Rubies with other players. The crafting system in the game has three options: Recycle, Trade-up and Unobtainium. The recycle option allows consuming any three diamond tier items to re-roll for a diamond crate from the weapon shop. The trade-up option allows spending crystals to combine a set amount of knife or gun skins within the same tier to produce a single weapon from the respective weapon type, but one tier higher in quality. The Unobtainium option allows combining a full set of special number knives or guns into one unobtainium tier weapon of the same weapon category. Each unobtainium weapon has a unique serial number and will not stack with duplicates in the player's inventory.
Several maps are featured in the game, with some being used for specific gamemodes. All maps so far have been built by OfficialAndrew.
- Office and its Halloween version
- Art Gallery
- Tile Smasher arena with several colour variations