Update README.md a bit

README.md

@@ -32,6 +32,8 @@ result.
 
 ## Current status
 
+### Chaos Gate
+
 Some of the original file formats are either partially or fully decoded. Maps,
 menus, and most visual data can be rendered pixel-perfect. Sound can be played
 (with a preprocessing step). Some UI tookit work is done. No game mechanics are
@@ -45,6 +47,31 @@ I've just been informed that another game from 1998, [Soldiers At War](https://e
 seems to use the same engine. Maybe at some point Ordoor will be able to play
 both. Will that need a rename? Hmm. Watch this space.
 
+### Soldiers At War
+
+(At least some) objects display. Map support is being worked on in the
+`soldiers-at-war` branch, which can more-or-less display them, albeit with many
+errors.
+
+### Squad Leader
+
+Squad Leader is the most recent of the games created with this engine. Nothing
+has been done with it yet, but a preliminary look at the game data suggests many
+changes are afoot. The object files are a different format, at the very least.
+
+### Wages of War
+
+This is the oldest of the four games. The object file format seems to be mostly
+the same. the installer only copies some data to the game directory; we may want
+to work directly from the CDROM instead, if we can.
+
+Maps are uncompressed, around 243K, and no header is present. They look similar
+in principle to the tile data of Soldiers At War or Chaos Gate maps, otherwise.
+
+The menu system seen in Chaos Gate is not present; instead, there is a `BUTTONS`
+directory and a lot of `pcx` files under `PIC` that, I suspect, do the job for
+this game.
+
 ## Long-term goals
 
 Once full playthrough of the official single-player campaign for all four games