diff --git a/bios/Apple/Apple II/.variants/apple2eu-character.rom.e6d453d8 b/bios/Apple/Apple II/.variants/apple2eu-character.rom.e6d453d8
new file mode 100644
index 00000000..303808f9
Binary files /dev/null and b/bios/Apple/Apple II/.variants/apple2eu-character.rom.e6d453d8 differ
diff --git a/bios/Apple/Apple II/apple2eu-character.rom b/bios/Apple/Apple II/apple2eu-character.rom
index 303808f9..cfe7931a 100644
Binary files a/bios/Apple/Apple II/apple2eu-character.rom and b/bios/Apple/Apple II/apple2eu-character.rom differ
diff --git a/bios/Other/altirra/.variants/810-archiver.rom.8080d51e b/bios/Other/altirra/.variants/810-archiver.rom.8080d51e
new file mode 100644
index 00000000..c35fa068
Binary files /dev/null and b/bios/Other/altirra/.variants/810-archiver.rom.8080d51e differ
diff --git a/bios/Other/altirra/810-archiver.rom b/bios/Other/altirra/810-archiver.rom
new file mode 100644
index 00000000..98579c39
Binary files /dev/null and b/bios/Other/altirra/810-archiver.rom differ
diff --git a/bios/Other/altirra/atari-1030-download.rom b/bios/Other/altirra/atari-1030-download.rom
new file mode 100644
index 00000000..862fe224
Binary files /dev/null and b/bios/Other/altirra/atari-1030-download.rom differ
diff --git a/bios/Other/gopher2600/Starpath Demonstration Unit 3P.bin b/bios/Other/gopher2600/Starpath Demonstration Unit 3P.bin
new file mode 100644
index 00000000..b8befd34
Binary files /dev/null and b/bios/Other/gopher2600/Starpath Demonstration Unit 3P.bin differ
diff --git a/bios/Other/gopher2600/Supercharger BIOS PAL.bin b/bios/Other/gopher2600/Supercharger BIOS PAL.bin
new file mode 100644
index 00000000..2b1e5bcf
Binary files /dev/null and b/bios/Other/gopher2600/Supercharger BIOS PAL.bin differ
diff --git a/bios/Other/mednafen/.variants/apple2e-video.rom.e6d453d8 b/bios/Other/mednafen/.variants/apple2e-video.rom.e6d453d8
new file mode 100644
index 00000000..303808f9
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diff --git a/bios/Other/mednafen/apple2e-video.rom b/bios/Other/mednafen/apple2e-video.rom
index 303808f9..cfe7931a 100644
Binary files a/bios/Other/mednafen/apple2e-video.rom and b/bios/Other/mednafen/apple2e-video.rom differ
diff --git a/bios/Other/speccy/MF1.ROM b/bios/Other/speccy/MF1.ROM
new file mode 100644
index 00000000..fef0ba31
Binary files /dev/null and b/bios/Other/speccy/MF1.ROM differ
diff --git a/bios/Other/speccy/MF128.ROM b/bios/Other/speccy/MF128.ROM
new file mode 100644
index 00000000..d7152bf6
Binary files /dev/null and b/bios/Other/speccy/MF128.ROM differ
diff --git a/bios/Other/speccy/MFPLUS3.ROM b/bios/Other/speccy/MFPLUS3.ROM
new file mode 100644
index 00000000..948baa27
Binary files /dev/null and b/bios/Other/speccy/MFPLUS3.ROM differ
diff --git a/bios/Other/xm6pro68k/SCSIEXROM.DAT b/bios/Other/xm6pro68k/SCSIEXROM.DAT
new file mode 100644
index 00000000..71efcf09
Binary files /dev/null and b/bios/Other/xm6pro68k/SCSIEXROM.DAT differ
diff --git a/emulators/mesence.yml b/emulators/mesence.yml
index a55e3779..52b50340 100644
--- a/emulators/mesence.yml
+++ b/emulators/mesence.yml
@@ -7,7 +7,7 @@ profiled_date: "2026-08-06"
 source_commit: "bec4fe632cb21ec97ad2b39cd6fdc826ecd02753"
 core_version: "2.2.1"
 display_name: "Multi-System (MesenCE)"
-cores: [mesence]
+cores: [mesence, mesen2]
 systems:
   - nintendo-nes
   - nintendo-fds
@@ -72,6 +72,7 @@ files:
   # -------------------------------------------------------
   - name: "dsp1.rom"
     path: "Firmware/dsp1.rom"
+    aliases: ["SNES_dsp1.rom"]
     system: nintendo-snes
     required: true
     size: 8192
@@ -82,6 +83,7 @@ files:
 
   - name: "dsp1b.rom"
     path: "Firmware/dsp1b.rom"
+    aliases: ["SNES_dsp1b.rom"]
     system: nintendo-snes
     required: true
     size: 8192
@@ -92,6 +94,7 @@ files:
 
   - name: "dsp2.rom"
     path: "Firmware/dsp2.rom"
+    aliases: ["SNES_dsp2.rom"]
     system: nintendo-snes
     required: true
     size: 8192
@@ -102,6 +105,7 @@ files:
 
   - name: "dsp3.rom"
     path: "Firmware/dsp3.rom"
+    aliases: ["SNES_dsp3.rom"]
     system: nintendo-snes
     required: true
     size: 8192
@@ -112,6 +116,7 @@ files:
 
   - name: "dsp4.rom"
     path: "Firmware/dsp4.rom"
+    aliases: ["SNES_dsp4.rom"]
     system: nintendo-snes
     required: true
     size: 8192
@@ -122,6 +127,7 @@ files:
 
   - name: "st010.rom"
     path: "Firmware/st010.rom"
+    aliases: ["SNES_st010.rom"]
     system: nintendo-snes
     required: true
     size: 53248
@@ -132,6 +138,7 @@ files:
 
   - name: "st011.rom"
     path: "Firmware/st011.rom"
+    aliases: ["SNES_st011.rom"]
     system: nintendo-snes
     required: true
     size: 53248
@@ -142,6 +149,7 @@ files:
 
   - name: "st018.rom"
     path: "Firmware/st018.rom"
+    aliases: ["SNES_st018.rom"]
     system: nintendo-snes
     required: true
     size: 163840
@@ -163,6 +171,7 @@ files:
 
   - name: "SufamiTurbo.sfc"
     path: "Firmware/SufamiTurbo.sfc"
+    aliases: ["STBIOS.bin"]
     system: nintendo-sufami-turbo
     required: true
     size: 262144
diff --git a/emulators/speccy.yml b/emulators/speccy.yml
index b78d5984..333244a6 100644
--- a/emulators/speccy.yml
+++ b/emulators/speccy.yml
@@ -136,6 +136,7 @@ files:
     source_ref: "libmain.so LoadBIOS 0x645a8-0x645bb, Speccy59-Ubuntu-x86-bin speccy 0x3dcbe-0x3dcd1"
 
   - name: ZXS16.ROM
+    aliases: ["ZXS48.ROM", "48.rom"]
     system: sinclair-zx-spectrum
     required: true
     max_size: 16384