diff --git a/TODO.txt b/TODO.txt
index 9a4fa5a..a5cec34 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -1,5 +1,9 @@
 =========== GENERAL ==============
 
+- Try doing the bouncy car body? Just keep a point and its velocity, change
+  its velocity by a proportion of car's velocity change (this minus prev.
+  frame), then offset car body by this. However we'll also have to transform
+  inbetween world space and model space.
 - Consider better input handling in SDL? Currently it just detects presses on
   the exact frame, so a press can be missed. But how tho?
 - Try to mess with car weight?
@@ -53,7 +57,7 @@
 - replay validation
 - make the racing module usable by itself, e.g. to allow making tools for
   verifying replays etc., i.e. make the module measure time, count checkpoints
-  etc.
+  etc. DONE?
 - allow slowing down in air like in TM?
   lower memory)
 - at the end check error handling, make sure the game handles garbage data in
diff --git a/assets.h b/assets.h
index 96ff5a8..3607369 100644
--- a/assets.h
+++ b/assets.h
@@ -189,7 +189,7 @@ static const char *LCR_internalDataFile =
   ":*v9h:+v8r:+j2K:+F3r:+l3m:!C1p"
 
   // MAP 3:
-  "#MLC3;4321 1"
+  "#MLC3;4321 2"
   ":*qrt:!o1y:!o1z:+Wsz"
   // start box:
   ":=mqr:f96d:xnrs:f74b:^mvrJ:f11d:^uvrL:f11d"
@@ -220,6 +220,7 @@ static const char *LCR_internalDataFile =
   ":=Urw2:f516"                               // dirt
   ":|Ysw2J:f11k"                              // fence
   ":=vrK1:f713"
+  ":AW0y:f1r1:AW0M:f1r1:Ap0M:f1r1"            // bottom pillars
   // loop:
   ":]FsNJ:f113:|FtNJ:f113"
   ":]FwNJ-:f113:|FvNJ-:f113"
@@ -270,14 +271,14 @@ static const char *LCR_internalDataFile =
   ":=Pny:f121"
   // finish platform:
   ":=n0w:f516:=o0y1:=o0z1"
-  ":Ap1x2L:f141:Aq1w2L:f141:Ap1w2J:f141"
-  ":Ap1A2:f141:Aq1B2:f141:Ap1B2I:f141"
+  ":Ap1x2L:f1p1:Aq1w2L:f141:Ap1w2J:f141"
+  ":Ap1A2:f1p1:Aq1B2:f141:Ap1B2I:f141"
   // heart:
   ":\\3031I:\\3021|:=4021:n4031L:A4011J"
   ":\\6031I|:\\6021:=5021:n5031I:A5011"
 
   // MAP 4:
-  "#MLC4;4321 0"
+  "#MLC4;4321 1"
   // overall structure:
   ":=000:f53a:x111:f424:x116:f323"
   ":)115L:)315J:)125L-:)325J-:x215:f121"            // start door
diff --git a/data b/data
index 0dc54d2..5c29eec 100644
--- a/data
+++ b/data
@@ -121,3 +121,5 @@ details
 #BLC4;
 #RLCtiny1;00LCtiny1;7e39e006 0000387:0251:02b9:0031:0169:0031:0149:0061:0059:0051:0019:0031:0099:0021:00d3:0041:0073:0041:0073:00a1:0033:0027:0016:0042:0046:00a2:00a3:0082:0073:0032:0033:0052:0043:0021:00f9:0031:0109:0011:00b5:0021:0039:0041:0139:0021:0109:0031:00c9:0011:0053:0031
 #BLCtiny1;
+#RLC3;00LC3;29bfc2bc 0000697:0011:0169:0021:0130:0014:01c1:01e3:00b1:0073:0041:0073:0031:0063:0031:0053:0051:0163:0031:0053:0031:0053:0051:0079:0101:0033:0081:00c9:0031:0113:0041:00f3:0061:0033:0061:00a3:0041:0063:0021:0023:0021:0079:0071:0033:0051:0043:00c1:00d3:0121:0059:0031:00d9:0050:0038:001c:00c0:0012:0023:0111:0020:0018:003c:0100:0012:0043:0141:0050:004c:0110:0022:0023:0131:0059:00b1:0023:00c1:0099:0021:0225:0041:0290:0034:0080:0041
+#BLC3;