diff --git a/src/gamedata/g_mapinfo.cpp b/src/gamedata/g_mapinfo.cpp
index ea61920807..350788f334 100644
--- a/src/gamedata/g_mapinfo.cpp
+++ b/src/gamedata/g_mapinfo.cpp
@@ -2776,3 +2776,10 @@ void G_ParseMapInfo (FString basemapinfo)
 	}
 }
 
+DEFINE_GLOBAL(AllEpisodes)
+
+DEFINE_FIELD_X(EpisodeInfo, FEpisode, mEpisodeName)
+DEFINE_FIELD_X(EpisodeInfo, FEpisode, mEpisodeMap)
+DEFINE_FIELD_X(EpisodeInfo, FEpisode, mPicName)
+DEFINE_FIELD_X(EpisodeInfo, FEpisode, mShortcut)
+DEFINE_FIELD_X(EpisodeInfo, FEpisode, mNoSkill)
diff --git a/src/gamedata/g_mapinfo.h b/src/gamedata/g_mapinfo.h
index 25a5ed1cad..d6bd695df3 100644
--- a/src/gamedata/g_mapinfo.h
+++ b/src/gamedata/g_mapinfo.h
@@ -41,6 +41,8 @@
 #include "screenjob.h"
 #include "hwrenderer/postprocessing/hw_postprocess.h"
 #include "hw_viewpointuniforms.h"
+#include "vm.h"
+#include "maps.h"
 
 struct level_info_t;
 struct cluster_info_t;
@@ -535,9 +537,9 @@ int G_SkillProperty(ESkillProperty prop);
 double G_SkillProperty(EFSkillProperty prop);
 const char * G_SkillName();
 
-typedef TMap<FName, FString> SkillMenuNames;
+typedef ZSMap<FName, FString> SkillMenuNames;
 
-typedef TMap<FName, FName> SkillActorReplacement;
+typedef ZSMap<FName, FName> SkillActorReplacement;
 
 struct FSkillInfo
 {
diff --git a/src/gamedata/g_skill.cpp b/src/gamedata/g_skill.cpp
index e8d7849ba0..8375781880 100644
--- a/src/gamedata/g_skill.cpp
+++ b/src/gamedata/g_skill.cpp
@@ -647,3 +647,55 @@ FName FSkillInfo::GetReplacedBy(FName b)
 	if (Replaced.CheckKey(b)) return Replaced[b];
 	else return NAME_None;
 }
+
+DEFINE_GLOBAL(AllSkills)
+
+// Avoid Name type clashing
+DEFINE_FIELD_NAMED(FSkillInfo, Name, SkillName)
+DEFINE_FIELD(FSkillInfo, AmmoFactor)
+DEFINE_FIELD(FSkillInfo, DoubleAmmoFactor)
+DEFINE_FIELD(FSkillInfo, DropAmmoFactor)
+DEFINE_FIELD(FSkillInfo, DamageFactor)
+DEFINE_FIELD(FSkillInfo, ArmorFactor)
+DEFINE_FIELD(FSkillInfo, HealthFactor)
+DEFINE_FIELD(FSkillInfo, KickbackFactor)
+DEFINE_FIELD(FSkillInfo, FastMonsters)
+DEFINE_FIELD(FSkillInfo, SlowMonsters)
+DEFINE_FIELD(FSkillInfo, DisableCheats)
+DEFINE_FIELD(FSkillInfo, AutoUseHealth)
+DEFINE_FIELD(FSkillInfo, EasyBossBrain)
+DEFINE_FIELD(FSkillInfo, EasyKey)
+DEFINE_FIELD(FSkillInfo, NoMenu)
+DEFINE_FIELD(FSkillInfo, RespawnCounter)
+DEFINE_FIELD(FSkillInfo, RespawnLimit)
+DEFINE_FIELD(FSkillInfo, Aggressiveness)
+DEFINE_FIELD(FSkillInfo, SpawnFilter)
+DEFINE_FIELD(FSkillInfo, SpawnMulti)
+DEFINE_FIELD(FSkillInfo, InstantReaction)
+DEFINE_FIELD(FSkillInfo, SpawnMultiCoopOnly)
+DEFINE_FIELD(FSkillInfo, ACSReturn)
+DEFINE_FIELD(FSkillInfo, MenuName)
+DEFINE_FIELD(FSkillInfo, PicName)
+DEFINE_FIELD(FSkillInfo, MenuNamesForPlayerClass)
+DEFINE_FIELD(FSkillInfo, MustConfirm)
+DEFINE_FIELD(FSkillInfo, MustConfirmText)
+DEFINE_FIELD(FSkillInfo, Shortcut)
+DEFINE_FIELD(FSkillInfo, TextColor)
+DEFINE_FIELD(FSkillInfo, Replace)
+DEFINE_FIELD(FSkillInfo, Replaced)
+DEFINE_FIELD(FSkillInfo, MonsterHealth)
+DEFINE_FIELD(FSkillInfo, FriendlyHealth)
+DEFINE_FIELD(FSkillInfo, NoPain)
+DEFINE_FIELD(FSkillInfo, Infighting)
+DEFINE_FIELD(FSkillInfo, PlayerRespawn)
+
+static int GetTextColor(FSkillInfo* self)
+{
+	return self->GetTextColor();
+}
+
+DEFINE_ACTION_FUNCTION_NATIVE(FSkillInfo, GetTextColor, GetTextColor)
+{
+	PARAM_SELF_STRUCT_PROLOGUE(FSkillInfo);
+	ACTION_RETURN_INT(self->GetTextColor());
+}
diff --git a/src/scripting/thingdef_data.cpp b/src/scripting/thingdef_data.cpp
index 930d2b1f63..c1e8dd045f 100644
--- a/src/scripting/thingdef_data.cpp
+++ b/src/scripting/thingdef_data.cpp
@@ -767,6 +767,14 @@ void InitThingdef()
 	terraindefstruct->Size = sizeof(FTerrainDef);
 	terraindefstruct->Align = alignof(FTerrainDef);
 
+	auto episodestruct = NewStruct("EpisodeInfo", nullptr, true);
+	episodestruct->Size = sizeof(FEpisode);
+	episodestruct->Align = alignof(FEpisode);
+
+	auto skillstruct = NewStruct("SkillInfo", nullptr, true);
+	skillstruct->Size = sizeof(FSkillInfo);
+	skillstruct->Align = alignof(FSkillInfo);
+
 	PStruct *pstruct = NewStruct("PlayerInfo", nullptr, true);
 	pstruct->Size = sizeof(player_t);
 	pstruct->Align = alignof(player_t);
diff --git a/wadsrc/static/zscript/doombase.zs b/wadsrc/static/zscript/doombase.zs
index 9a3e9fe04d..7cd4d3be48 100644
--- a/wadsrc/static/zscript/doombase.zs
+++ b/wadsrc/static/zscript/doombase.zs
@@ -23,6 +23,60 @@ extend struct _
 	native readonly bool playeringame[MAXPLAYERS];
 	native play LevelLocals Level;
 
+	native readonly Array<@EpisodeInfo> AllEpisodes;
+	native readonly Array<@SkillInfo> AllSkills;
+}
+
+struct EpisodeInfo native
+{
+	native readonly string mEpisodeName;
+	native readonly string mEpisodeMap;
+	native readonly string mPicName;
+	native readonly int8 mShortcut;
+	native readonly bool mNoSkill;
+}
+
+struct SkillInfo native
+{
+	native readonly Name SkillName;
+	native readonly double AmmoFactor, DoubleAmmoFactor, DropAmmoFactor;
+	native readonly double DamageFactor;
+	native readonly double ArmorFactor;
+	native readonly double HealthFactor;
+	native readonly double KickbackFactor;
+
+	native readonly bool FastMonsters;
+	native readonly bool SlowMonsters;
+	native readonly bool DisableCheats;
+	native readonly bool AutoUseHealth;
+
+	native readonly bool EasyBossBrain;
+	native readonly bool EasyKey;
+	native readonly bool NoMenu;
+	native readonly int RespawnCounter;
+	native readonly int RespawnLimit;
+	native readonly double Aggressiveness;
+	native readonly int SpawnFilter;
+	native readonly bool SpawnMulti;
+	native readonly bool InstantReaction;
+	native readonly bool SpawnMultiCoopOnly;
+	native readonly int ACSReturn;
+	native readonly string MenuName;
+	native readonly string PicName;
+	native readonly Map<Name, string> MenuNamesForPlayerClass;
+	native readonly bool MustConfirm;
+	native readonly string MustConfirmText;
+	native readonly int8 Shortcut;
+	native readonly string TextColor;
+	native readonly Map<Name, Name> Replace;
+	native readonly Map<Name, Name> Replaced;
+	native readonly double MonsterHealth;
+	native readonly double FriendlyHealth;
+	native readonly bool NoPain;
+	native readonly int Infighting;
+	native readonly bool PlayerRespawn;
+
+	native int GetTextColor() const;
 }
 
 extend struct TexMan