diff --git a/source/games/exhumed/src/anubis.cpp b/source/games/exhumed/src/anubis.cpp
index 8d16e4dbd..405ffca31 100644
--- a/source/games/exhumed/src/anubis.cpp
+++ b/source/games/exhumed/src/anubis.cpp
@@ -121,7 +121,7 @@ void AIAnubis::Tick(RunListEvent* ev)
     const auto ap = ev->pObjActor;
     const int nAction = ap->nAction;
     const int nSeq = getSeqFromId(kSeqAnubis, AnubisSeq[nAction].a);
-    const int nFrame = SeqBase[nSeq] + ap->nFrame;
+    const int nFrame = getSeqFrame(nSeq, ap->nFrame);
     const int nFlag = FrameFlag[nFrame];
     bool bVal = false;
 
diff --git a/source/games/exhumed/src/bullet.cpp b/source/games/exhumed/src/bullet.cpp
index 60476e25c..9e4865527 100644
--- a/source/games/exhumed/src/bullet.cpp
+++ b/source/games/exhumed/src/bullet.cpp
@@ -802,7 +802,7 @@ void AIBullet::Tick(RunListEvent* ev)
     int nSeq = getSeqFromId(BulletList[nBullet].nSeq);
     DExhumedActor* pActor = BulletList[nBullet].pActor;
 
-    int nFlag = FrameFlag[SeqBase[nSeq] + BulletList[nBullet].nFrame];
+    int nFlag = FrameFlag[getSeqFrame(nSeq, BulletList[nBullet].nFrame)];
 
     seq_MoveSequence(pActor, nSeq, BulletList[nBullet].nFrame);
 
diff --git a/source/games/exhumed/src/lavadude.cpp b/source/games/exhumed/src/lavadude.cpp
index 8a8a2ba14..8ccc8e95d 100644
--- a/source/games/exhumed/src/lavadude.cpp
+++ b/source/games/exhumed/src/lavadude.cpp
@@ -218,7 +218,7 @@ void AILavaDude::Tick(RunListEvent* ev)
     pActor->spr.picnum = seq_GetSeqPicnum2(nSeq, pActor->nFrame);
     int var_38 = pActor->nFrame;
 
-    int nFlag = FrameFlag[SeqBase[nSeq] + var_38];
+    int nFlag = FrameFlag[getSeqFrame(nSeq, var_38)];
 
     int var_1C = 0;
 
diff --git a/source/games/exhumed/src/lion.cpp b/source/games/exhumed/src/lion.cpp
index ca9cf1ac8..4af73c928 100644
--- a/source/games/exhumed/src/lion.cpp
+++ b/source/games/exhumed/src/lion.cpp
@@ -211,7 +211,7 @@ void AILion::Tick(RunListEvent* ev)
         bVal = true;
     }
 
-    int nFlag = FrameFlag[SeqBase[nSeq] + pActor->nFrame];
+    int nFlag = FrameFlag[getSeqFrame(nSeq, pActor->nFrame)];
     DExhumedActor* pTarget = pActor->pTarget;
 
     auto nMov = MoveCreatureWithCaution(pActor);
diff --git a/source/games/exhumed/src/mummy.cpp b/source/games/exhumed/src/mummy.cpp
index 4df71638d..64c372fdd 100644
--- a/source/games/exhumed/src/mummy.cpp
+++ b/source/games/exhumed/src/mummy.cpp
@@ -143,7 +143,7 @@ void AIMummy::Tick(RunListEvent* ev)
 
     pActor->spr.picnum = seq_GetSeqPicnum2(nSeq, pActor->nFrame);
 
-    int nFrame = SeqBase[nSeq] + pActor->nFrame;
+    int nFrame = getSeqFrame(nSeq, pActor->nFrame);
     int nFrameFlag = FrameFlag[nFrame];
 
     seq_MoveSequence(pActor, nSeq, pActor->nFrame);
diff --git a/source/games/exhumed/src/queen.cpp b/source/games/exhumed/src/queen.cpp
index 8b37897e6..5ce39ff1d 100644
--- a/source/games/exhumed/src/queen.cpp
+++ b/source/games/exhumed/src/queen.cpp
@@ -1252,7 +1252,7 @@ void AIQueen::Tick(RunListEvent* ev)
         bVal = true;
     }
 
-    int nFlag = FrameFlag[SeqBase[nSeq] + QueenList[nQueen].nFrame];
+    int nFlag = FrameFlag[getSeqFrame(nSeq, QueenList[nQueen].nFrame)];
 
     if (pActor != nullptr)
     {
diff --git a/source/games/exhumed/src/rex.cpp b/source/games/exhumed/src/rex.cpp
index 9fbbc5040..4ba80ce5b 100644
--- a/source/games/exhumed/src/rex.cpp
+++ b/source/games/exhumed/src/rex.cpp
@@ -215,7 +215,7 @@ void AIRex::Tick(RunListEvent* ev)
         }
     }
 
-    int nFlag = FrameFlag[SeqBase[nSeq] + pActor->nFrame];
+    int nFlag = FrameFlag[getSeqFrame(nSeq, pActor->nFrame)];
 
     DExhumedActor* pTarget = pActor->pTarget;
 
diff --git a/source/games/exhumed/src/roach.cpp b/source/games/exhumed/src/roach.cpp
index daf74879e..2349a70ec 100644
--- a/source/games/exhumed/src/roach.cpp
+++ b/source/games/exhumed/src/roach.cpp
@@ -223,7 +223,7 @@ void AIRoach::Tick(RunListEvent* ev)
         pActor->nFrame = 0;
     }
 
-    int nFlag = FrameFlag[SeqBase[nSeq] + pActor->nFrame];
+    int nFlag = FrameFlag[getSeqFrame(nSeq, pActor->nFrame)];
     DExhumedActor* pTarget = pActor->pTarget;
 
     if (nAction > 5) {
diff --git a/source/games/exhumed/src/scorp.cpp b/source/games/exhumed/src/scorp.cpp
index 83352cde7..37a3e9532 100644
--- a/source/games/exhumed/src/scorp.cpp
+++ b/source/games/exhumed/src/scorp.cpp
@@ -219,7 +219,7 @@ void AIScorp::Tick(RunListEvent* ev)
         bVal = true;
     }
 
-    int nFlag = FrameFlag[SeqBase[nSeq] + pActor->nFrame];
+    int nFlag = FrameFlag[getSeqFrame(nSeq, pActor->nFrame)];
     pTarget = pActor->pTarget;
 
     switch (nAction)
diff --git a/source/games/exhumed/src/sequence.cpp b/source/games/exhumed/src/sequence.cpp
index c42ab8ff6..164f166ed 100644
--- a/source/games/exhumed/src/sequence.cpp
+++ b/source/games/exhumed/src/sequence.cpp
@@ -51,7 +51,7 @@ int16_t nPilotLightBase;
 int16_t nShadowWidth = 1;
 int16_t nFlameHeight = 1;
 
-int16_t SeqBase[kMaxSequences];
+static int16_t SeqBase[kMaxSequences];
 int16_t SeqSize[kMaxSequences];
 int16_t SeqFlag[kMaxSequences];
 
@@ -168,6 +168,17 @@ int getSeqFromId(const int nSeqFileId, const int nSeq)
 //
 //---------------------------------------------------------------------------
 
+int getSeqFrame(const int nSeq, const int nFrame)
+{
+    return SeqBase[nSeq] + nFrame;
+}
+
+//---------------------------------------------------------------------------
+//
+//
+//
+//---------------------------------------------------------------------------
+
 int seq_ReadSequence(const char *seqName)
 {
     const int16_t StartFrameCount = frames;
@@ -319,7 +330,7 @@ int seq_ReadSequence(const char *seqName)
 int seq_GetFirstSeqPicnum(int nSeq)
 {
     int i = getSeqFromId(nSeq);
-    i = SeqBase[i];
+    i = getSeqFrame(i);
     i = FrameBase[i];
     i = ChunkPict[i];
 
@@ -371,7 +382,7 @@ void seq_LoadSequences()
 
     nBackgroundPic = seq_GetFirstSeqPicnum(kSeqBackgrnd);
 
-    nPilotLightBase  = SeqBase[getSeqFromId(kSeqFlamer, 3)];
+    nPilotLightBase  = getSeqFrame(getSeqFromId(kSeqFlamer, 3));
     nPilotLightCount = SeqSize[getSeqFromId(kSeqFlamer, 3)];
     nPilotLightFrame = 0;
 
@@ -394,7 +405,7 @@ void seq_LoadSequences()
 
 int16_t seq_GetFrameFlag(int16_t val, int16_t nFrame)
 {
-    return FrameFlag[SeqBase[val] + nFrame];
+    return FrameFlag[getSeqFrame(val, nFrame)];
 }
 
 //---------------------------------------------------------------------------
@@ -437,7 +448,7 @@ void seq_DrawPilotLightSeq(double xOffset, double yOffset)
 
 int seq_DrawGunSequence(int nSeqOffset, int16_t dx, double xOffs, double yOffs, int nShade, int nPal, DAngle angle, bool align)
 {
-    int nFrame = SeqBase[nSeqOffset] + dx;
+    int nFrame = getSeqFrame(nSeqOffset, dx);
     int nFrameBase = FrameBase[nFrame];
     int nFrameSize = FrameSize[nFrame];
     int frameFlag = FrameFlag[nFrame];
@@ -479,7 +490,7 @@ int seq_DrawGunSequence(int nSeqOffset, int16_t dx, double xOffs, double yOffs,
 
 int seq_GetFrameSound(int val, int edx)
 {
-    return FrameSound[SeqBase[val] + edx];
+    return FrameSound[getSeqFrame(val, edx)];
 }
 
 //---------------------------------------------------------------------------
@@ -492,7 +503,7 @@ void seq_MoveSequence(DExhumedActor* actor, int16_t nSeq, int16_t nFrame)
 {
     assert(nSeq >= 0); // TEMP
 
-    int nSound = FrameSound[SeqBase[nSeq] + nFrame];
+    int nSound = FrameSound[getSeqFrame(nSeq, nFrame)];
     if (nSound == -1) {
         return;
     }
@@ -513,7 +524,7 @@ void seq_MoveSequence(DExhumedActor* actor, int16_t nSeq, int16_t nFrame)
 
 int seq_GetSeqPicnum2(int16_t nSeq, int16_t nFrame)
 {
-    int16_t nBase = FrameBase[SeqBase[nSeq] + nFrame];
+    int16_t nBase = FrameBase[getSeqFrame(nSeq, nFrame)];
     return ChunkPict[nBase];
 }
 
@@ -525,8 +536,7 @@ int seq_GetSeqPicnum2(int16_t nSeq, int16_t nFrame)
 
 int seq_GetSeqPicnum(int16_t nSeq, int16_t edx, int16_t ebx)
 {
-    ebx += SeqBase[getSeqFromId(nSeq, edx)];
-    int16_t c = FrameBase[ebx];
+    int16_t c = FrameBase[getSeqFrame(getSeqFromId(nSeq, edx))];
 
     return ChunkPict[c];
 }
@@ -544,7 +554,7 @@ int seq_PlotArrowSequence(int nSprite, int16_t nSeq, int nVal)
 
     int nSeqOffset = (((pTSprite->Angles.Yaw + DAngle90 + DAngle22_5 - nAngle).Buildang()) & kAngleMask) >> 8;
 
-    int16_t nFrame = SeqBase[nSeqOffset + nSeq] + nVal;
+    int16_t nFrame = getSeqFrame(nSeq + nSeqOffset, nVal);
 
     int16_t nFrameBase = FrameBase[nFrame];
     int16_t nFrameSize = FrameSize[nFrame];
@@ -607,8 +617,8 @@ int seq_PlotSequence(int nSprite, int16_t edx, int16_t nFrame, int16_t ecx)
         val = (((pTSprite->Angles.Yaw + DAngle22_5 - nAngle).Buildang()) & kAngleMask) >> 8;
     }
 
-    int eax = SeqBase[edx] + nFrame;
-    int edi = SeqBase[edx + val] + nFrame;
+    int eax = getSeqFrame(edx, nFrame);
+    int edi = getSeqFrame(edx + val, nFrame);
 
     int16_t nBase = FrameBase[edi];
     int16_t nSize = FrameSize[edi];
diff --git a/source/games/exhumed/src/sequence.h b/source/games/exhumed/src/sequence.h
index 7adc5d4dd..3e1295202 100644
--- a/source/games/exhumed/src/sequence.h
+++ b/source/games/exhumed/src/sequence.h
@@ -110,7 +110,6 @@ struct actionSeq
 
 extern int16_t frames;
 
-extern int16_t SeqBase[];
 extern int16_t SeqSize[];
 extern int16_t FrameFlag[];
 
@@ -143,6 +142,7 @@ int seq_PlotArrowSequence(int nSprite, int16_t nSeq, int nVal);
 void seq_DrawPilotLightSeq(double xOffset, double yOffset);
 
 int getSeqFromId(const int nSeqFileId, const int nSeq = 0);
+int getSeqFrame(const int nSeq, const int nFrame = 0);
 
 END_PS_NS
 
diff --git a/source/games/exhumed/src/set.cpp b/source/games/exhumed/src/set.cpp
index b00832152..c4d556d87 100644
--- a/source/games/exhumed/src/set.cpp
+++ b/source/games/exhumed/src/set.cpp
@@ -287,7 +287,7 @@ void AISet::Tick(RunListEvent* ev)
         bVal = true;
     }
 
-    int nFlag = FrameFlag[SeqBase[nSeq] + pActor->nFrame];
+    int nFlag = FrameFlag[getSeqFrame(nSeq, pActor->nFrame)];
     DExhumedActor* pTarget = pActor->pTarget;
 
     if (pTarget && nAction < 10)
diff --git a/source/games/exhumed/src/spider.cpp b/source/games/exhumed/src/spider.cpp
index 7f9d830ba..90f7f8254 100644
--- a/source/games/exhumed/src/spider.cpp
+++ b/source/games/exhumed/src/spider.cpp
@@ -123,7 +123,7 @@ void AISpider::Tick(RunListEvent* ev)
 
     seq_MoveSequence(spp, nSeq, spp->nFrame);
 
-    int nFrameFlag = FrameFlag[SeqBase[nSeq] + spp->nFrame];
+    int nFrameFlag = FrameFlag[getSeqFrame(nSeq, spp->nFrame)];
 
     spp->nFrame++;
     if (spp->nFrame >= SeqSize[nSeq]) {
diff --git a/source/games/exhumed/src/status.cpp b/source/games/exhumed/src/status.cpp
index f3f4aee7a..1b1424c29 100644
--- a/source/games/exhumed/src/status.cpp
+++ b/source/games/exhumed/src/status.cpp
@@ -97,7 +97,7 @@ DEFINE_ACTION_FUNCTION(_Exhumed, GetStatusSequence)
     PARAM_INT(nSequence);
     PARAM_INT(frameindex);
 
-    frameindex += SeqBase[nStatusSeqOffset + nSequence];
+    frameindex += getSeqFrame(nSequence + nStatusSeqOffset);
     if (numret > 0) ret[0].SetInt(FrameBase[frameindex]);
     if (numret > 1) ret[1].SetInt(FrameSize[frameindex]);
     return min(numret, 2);