|Chemical weapons||Weapons that deliver toxic chemicals to their victims. Usually gaseous for easy delivery to large masses.||1999 / 2011||18 games|
|Child soldiers||Children acting as soldiers, often viewed as tragic but can be seen as heroic (child doing an adult's job, especially if player is child him-/herself) or "cool" if voluntary/wanted.||1997 / 2014||19 games|
|Mines||Player can set mines and other explosive devices that detonate by some trigger - such as proximity, pressure, tripwire or any other.||1983 / 2018||160 games|
|Thermal weapons||Includes weapons with the purpose of setting things on fire or otherwise burning them.||1982 / 2016||217 games|
Any depictions of warfare involving things banned by international humanitarian laws, such as by Geneva and Hague conventions.