Turn-based tactics game with elements of the Wars, Nectaris, and 大戰略 (AKA: Daisenryaku) series.

By thinkArts, who seem to have done a few of the Daisenryaku games around the same time (2005/6), but not the PS2 ones.

There's not much info around on how to play so here're some notes:

• When you're picking your units before the stage there doesn't seem to be a disadvantage to spending all the points you can. It's 4000 (or whatever) each time, no carry-over.
• Took me a minute to figure out why you kinda get two turns in a row. The second one's only for queuing up more units in your barracks. Hence the big text saying 'reinforcements'.
• The more bases you capture the more XP you get. When there's an ally army on the map I find it handy to send pale wings to go camp on places so they can't capture them :)
  • Though units don't seem to actually gain XP unless I kill stuff with them? In the not-story mode they call the points you spend to buy units 'experience', so maybe it's that kind of experience…
• I thought dying and the 'Remove' command just sent a unit back to base, which seemed like a handy way to move them around, but it resets their experience level to 1. Whoops!
• Highest character level is 5.
• Online snooping suggests there are 100 stages. You play the first 50 as the EDF, and the second 50 as the aliens/invaders. The alien ones might be just the EDF ones repeated. Alien mode might be more difficult as the aliens are weaker.
• L1/2 move to next unit that hasn't acted yet, including those in bases. Makes it easy t ocheck if you've don all your actions.
  • Related: In the reinforcement stage it will just to you base. Saves you some scrolling :)
• Seems quicker to scroll the map with the analogue stick? Quicker acceleration?

• Storm Unit: Basic unit, good for taking bases
• Ranger Unit: Too slow to be much use, usually. Can only fire it didn't move. Can shoot at range, and some weapons hit multiple hexes. Got an anti-air weapons recently.
• Armored Unit: I never even use them TBH. Can use various weapon types like flame-throwers and web guns. If they get anti-air might be a good pairing with tanks.
• Maintenance Unit: Can't fight for shit, but keeps your troops' guns loaded.
• Pale Wing Close Range Model:
• Pale Wing Ranged Model:
• Pale Wing Bomb Model: All weapons seems to come with Destroy Stronghold?
• Pale Wing Reconnaissance Model: Can see really far.
• Gigantes: Slow, but strong if you can get them into combat. Good for defending positions. Could pair well with a Ranger Unit behind?
• Airbike: Their speed makes them really handy for capturing bases. Can hit hovering enemies too.

NB: If you know what the 'Direct Hit Rate' symbols in the weapon data are supposed to represent, for example if you have the manual maybe they're in there?, Contact Me :)

• Wars series.
• Nectaris series.
• 大戰略 / Daisenryaku series.
• Battle Isle series.

• The font is way better in the Japanese version. The numbers and much better.
• If you play the game on an emulator in a higher resolutions you'll notice that the 'Direct Hit Rate' icons have more detail that you can normally see.

• Earth Defense Force Series
• Global Defence Force Tactics
• Global Defence Force Tactics - The Earth Defense Force Wiki
• Global Defence Force: Tactics
• Global Defence Force Tactics (PS2) Review - Consolevania S03E02
• A Quick Look: Earth Defense Force Tactics PS2
• SIMPLE2000シリーズ Vol.103 THE 地球防衛軍タクティクス on the ゲームカタログ¹⁾ wiki.
• THE地球防衛軍タクティクスのレビュー！いつもとは別物！ - Japanese review, on menokenkou.work
• Vol.103 THE 地球防衛軍タクティクス on D3's website.