diff --git a/testcases.md b/testcases.md
new file mode 100644
index 0000000..d0815e8
--- /dev/null
+++ b/testcases.md
@@ -0,0 +1,20 @@
+    [19:14] <db48x> if you've got a list then I'll be happy to run through it
+    [19:15] <SketchCow> Yeah, I think that's smart going forward.
+            <SketchCow> https://archive.org/details/arcade_astrob
+    [19:16] <SketchCow> Tests: Works with arcade machine, presentation
+    [19:17] <SketchCow> https://archive.org/details/sg_Wiz_n_Liz_1993_Psygnosis_US 
+            <SketchCow> Tests: Game Console (Sega Genesis), Very intense processing needs
+    [19:18] <SketchCow> https://archive.org/details/a2_Castle_Smurfenstein_1981_Dead_Smurf_cr
+            <SketchCow> Tests: Apple II performance (computer), sound
+    [19:19] <SketchCow> https://archive.org/details/msdos_Wolfenstein_3D_1992
+            <SketchCow> Tests: EM-DOSBOX Side, sound, etc.
+            <db48x> also parrallel file loads in Smurfenstein
+            <SketchCow> So, at the VERY LEAST
+            <SketchCow> These all shouldwork
+            <SketchCow> If something blows up, there's something wrong.
+    [19:20] <SketchCow> That's a solid test set. 
+            <SketchCow> Obviously, Dragon's Lair is our go-to for "holy fuck, large ROM"
+    [20:31] <db48x> I'm going to add snack attack to that list, since it's easy to tell when it's running too fast
+    [01:51] <SketchCow> Yes!
+
+https://archive.org/details/msdos_Snack_Attack_II_1982&external_js=1