Complete List of Age of Empires Games, Expansions, and Spin-Offs

Mainline Series

1. Age of Empires (1997) + Rise of Rome (1998)
2. Age of Empires II: The Age of Kings (1999) + The Conquerors (2000) → Definitive Edition (2019) (includes both + new campaigns, 4K, QoL).
3. Age of Empires III (2005) + The WarChiefs (2006) + The Asian Dynasties (2007) → Definitive Edition (2020) (includes all + 2 new civs, graphics overhaul).
4. Age of Empires IV (2021) + Anniversary Edition (2023) (base + all DLC).

Spin-Offs / Side Games

• Age of Mythology (2002) + The Titans (2003) → Retold (2024) (Remaster/Remake hybrid).
• Age of Empires Online (2011–2014) – F2P MMO/RTS hybrid. Servers closed. Community revival Project Celeste exists.
• Age of Empires: Castle Siege (2014–2019) – Mobile tower defense/strategy. Discontinued.
• Age of Empires: World Domination (2015–2016) – Mobile (Japan only). Discontinued.

Key Distinctions

• Definitive Editions are the definitive way to play 1, 2, 3 today (modern OS support, multiplayer, graphics, balance).
• Age of Mythology is a distinct mythology-themed sister series, not "AoE 2.5".
• Ensemble Studios (original dev) closed 2009. World's Edge (Microsoft) now stewards the franchise; development by Relic (AoE4), Forgotten Empires (DEs, AoM:R), Tantalus (Console ports).