Total Annihilation
"Total Annihilation" was one of the first RTS games to feature radar that showed enemy units within its radius on the minimap. This added an additional element of electronic warfare to the game: players could construct radar jammers that prevented units in a small radius around them from appearing on radar. Mobile radar jammers could be used to create surprise attacks, necessitating the deployment of scout units on a regular basis to reveal said units visually. In addition, radar jammers could disguise the presence of visually cloaked units, such as the commander or land mines. Radar fields rendered cloaked units detectable; a radar jammer could make said units undetectable until the radar jammer was destroyed. "Total Annihilation" was also one of the first RTS games to point the way towards battlefields with hundreds and thousands of units. Previous games could field a hundred units or so. However, Total Annihilation initially permitted 250 units per side which was later patched to 500. A third party patch allowed up to 5,000 units per side.
Europa Barbarorum
In the original "Rome: Total War", the player took control of an empire, or "faction", of classical Europe, North Africa or the Middle East, with the aim of expanding their faction's territory and eliminating rival empires through military conquest and city-building. "Europa Barbarorum" retains this basic gameplay mechanic and sets itself in a similar time period and geographical area to the original game. However, as a total conversion the mod replaces the particular factions, military units, buildings, and other elements present in the original game, and adds a new soundtrack and several brand-new gameplay mechanics not present in the original, such as the installation of puppet rulers. The modification's development team's stated aim in making the changes that they have to "Rome: Total War" is to make the player's experience of the ancient world more historically accurate. For this reason, numerous parameters of the game at the start of the campaign in 272 BC, such as generals' names, the diplomatic relations between factions, and the particular understanding of the outside world that each faction has, have been set to correspond to the actual political situation in that year.