diff --git a/src/base_media_base.h b/src/base_media_base.h
--- a/src/base_media_base.h
+++ b/src/base_media_base.h
@@ -254,6 +254,7 @@ public:
 	bool FillSetDetails(const IniFile &ini, const std::string &path, const std::string &full_filename);
 	GRFConfig *GetExtraConfig() const { return this->extra_cfg.get(); }
 	GRFConfig &GetOrCreateExtraConfig() const;
+	bool IsConfigurable() const;
 	void CopyCompatibleConfig(const GraphicsSet &src);
 
 	static MD5File::ChecksumResult CheckMD5(const MD5File *file, Subdirectory subdir);
diff --git a/src/gfxinit.cpp b/src/gfxinit.cpp
--- a/src/gfxinit.cpp
+++ b/src/gfxinit.cpp
@@ -389,6 +389,14 @@ GRFConfig &GraphicsSet::GetOrCreateExtra
 	return *this->extra_cfg;
 }
 
+bool GraphicsSet::IsConfigurable() const
+{
+	const GRFConfig &cfg = this->GetOrCreateExtraConfig();
+	/* This check is more strict than the one for NewGRF Settings.
+	 * There are no legacy basesets with parameters, but without Action14 */
+	return !cfg.param_info.empty();
+}
+
 void GraphicsSet::CopyCompatibleConfig(const GraphicsSet &src)
 {
 	const GRFConfig *src_cfg = src.GetExtraConfig();
diff --git a/src/lang/english.txt b/src/lang/english.txt
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -3384,6 +3384,7 @@ STR_SAVE_PRESET_SAVE                    
 STR_SAVE_PRESET_SAVE_TOOLTIP                                    :{BLACK}Save the preset to the current selected name
 
 # NewGRF parameters window
+STR_BASEGRF_PARAMETERS_CAPTION                                  :{WHITE}Change base graphics parameters
 STR_NEWGRF_PARAMETERS_CAPTION                                   :{WHITE}Change NewGRF parameters
 STR_NEWGRF_PARAMETERS_CLOSE                                     :{BLACK}Close
 STR_NEWGRF_PARAMETERS_RESET                                     :{BLACK}Reset
diff --git a/src/newgrf_config.h b/src/newgrf_config.h
--- a/src/newgrf_config.h
+++ b/src/newgrf_config.h
@@ -226,6 +226,7 @@ std::string GRFBuildParamList(const GRFC
 
 /* In newgrf_gui.cpp */
 void ShowNewGRFSettings(bool editable, bool show_params, bool exec_changes, GRFConfig **config);
+void OpenGRFParameterWindow(bool is_baseset, GRFConfig *c, bool editable);
 
 void UpdateNewGRFScanStatus(uint num, const char *name);
 void UpdateNewGRFConfigPalette(int32_t new_value = 0);
diff --git a/src/newgrf_gui.cpp b/src/newgrf_gui.cpp
--- a/src/newgrf_gui.cpp
+++ b/src/newgrf_gui.cpp
@@ -155,7 +155,7 @@ struct NewGRFParametersWindow : public W
 	bool action14present;  ///< True if action14 information is present.
 	bool editable;         ///< Allow editing parameters.
 
-	NewGRFParametersWindow(WindowDesc *desc, GRFConfig *c, bool editable) : Window(desc),
+	NewGRFParametersWindow(WindowDesc *desc, bool is_baseset, GRFConfig *c, bool editable) : Window(desc),
 		grf_config(c),
 		clicked_button(UINT_MAX),
 		clicked_dropdown(false),
@@ -166,6 +166,7 @@ struct NewGRFParametersWindow : public W
 		this->action14present = (c->num_valid_params != c->param.size() || !c->param_info.empty());
 
 		this->CreateNestedTree();
+		this->GetWidget<NWidgetCore>(WID_NP_CAPTION)->SetDataTip(is_baseset ? STR_BASEGRF_PARAMETERS_CAPTION : STR_NEWGRF_PARAMETERS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS);
 		this->vscroll = this->GetScrollbar(WID_NP_SCROLLBAR);
 		this->GetWidget<NWidgetStacked>(WID_NP_SHOW_NUMPAR)->SetDisplayedPlane(this->action14present ? SZSP_HORIZONTAL : 0);
 		this->GetWidget<NWidgetStacked>(WID_NP_SHOW_DESCRIPTION)->SetDisplayedPlane(this->action14present ? 0 : SZSP_HORIZONTAL);
@@ -509,7 +510,7 @@ GRFParameterInfo NewGRFParametersWindow:
 static const NWidgetPart _nested_newgrf_parameter_widgets[] = {
 	NWidget(NWID_HORIZONTAL),
 		NWidget(WWT_CLOSEBOX, COLOUR_MAUVE),
-		NWidget(WWT_CAPTION, COLOUR_MAUVE), SetDataTip(STR_NEWGRF_PARAMETERS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
+		NWidget(WWT_CAPTION, COLOUR_MAUVE, WID_NP_CAPTION),
 		NWidget(WWT_DEFSIZEBOX, COLOUR_MAUVE),
 	EndContainer(),
 	NWidget(NWID_SELECTION, INVALID_COLOUR, WID_NP_SHOW_NUMPAR),
@@ -546,10 +547,10 @@ static WindowDesc _newgrf_parameters_des
 	std::begin(_nested_newgrf_parameter_widgets), std::end(_nested_newgrf_parameter_widgets)
 );
 
-static void OpenGRFParameterWindow(GRFConfig *c, bool editable)
+void OpenGRFParameterWindow(bool is_baseset, GRFConfig *c, bool editable)
 {
 	CloseWindowByClass(WC_GRF_PARAMETERS);
-	new NewGRFParametersWindow(&_newgrf_parameters_desc, c, editable);
+	new NewGRFParametersWindow(&_newgrf_parameters_desc, is_baseset, c, editable);
 }
 
 /** Window for displaying the textfile of a NewGRF. */
@@ -1133,7 +1134,7 @@ struct NewGRFWindow : public Window, New
 			case WID_NS_SET_PARAMETERS: { // Edit parameters
 				if (this->active_sel == nullptr || !this->show_params || this->active_sel->num_valid_params == 0) break;
 
-				OpenGRFParameterWindow(this->active_sel, this->editable);
+				OpenGRFParameterWindow(false, this->active_sel, this->editable);
 				this->InvalidateData(GOID_NEWGRF_CHANGES_MADE);
 				break;
 			}
diff --git a/src/settings_gui.cpp b/src/settings_gui.cpp
--- a/src/settings_gui.cpp
+++ b/src/settings_gui.cpp
@@ -41,6 +41,7 @@
 #include "music/music_driver.hpp"
 #include "gui.h"
 #include "mixer.h"
+#include "newgrf_config.h"
 #include "network/core/config.h"
 #include "network/network_gui.h"
 #include "network/network_survey.h"
@@ -601,6 +602,16 @@ struct GameOptionsWindow : Window {
 				break;
 			}
 
+			case WID_GO_BASE_GRF_PARAMETERS: {
+				auto *used_set = BaseGraphics::GetUsedSet();
+				if (used_set == nullptr || !used_set->IsConfigurable()) break;
+				GRFConfig &extra_cfg = used_set->GetOrCreateExtraConfig();
+				if (extra_cfg.num_params == 0) extra_cfg.SetParameterDefaults();
+				OpenGRFParameterWindow(true, &extra_cfg, _game_mode == GM_MENU);
+				if (_game_mode == GM_MENU) this->reload = true;
+				break;
+			}
+
 			case WID_GO_BASE_SFX_VOLUME:
 			case WID_GO_BASE_MUSIC_VOLUME: {
 				byte &vol = (widget == WID_GO_BASE_MUSIC_VOLUME) ? _settings_client.music.music_vol : _settings_client.music.effect_vol;
@@ -692,6 +703,7 @@ struct GameOptionsWindow : Window {
 
 			case WID_GO_BASE_GRF_DROPDOWN:
 				if (_game_mode == GM_MENU) {
+					CloseWindowByClass(WC_GRF_PARAMETERS);
 					auto* set = BaseGraphics::GetSet(index);
 					BaseGraphics::SetSet(set);
 					this->reload = true;
@@ -742,6 +754,8 @@ struct GameOptionsWindow : Window {
 		bool missing_files = BaseGraphics::GetUsedSet()->GetNumMissing() == 0;
 		this->GetWidget<NWidgetCore>(WID_GO_BASE_GRF_STATUS)->SetDataTip(missing_files ? STR_EMPTY : STR_GAME_OPTIONS_BASE_GRF_STATUS, STR_NULL);
 
+		this->SetWidgetDisabledState(WID_GO_BASE_GRF_PARAMETERS, BaseGraphics::GetUsedSet() == nullptr || !BaseGraphics::GetUsedSet()->IsConfigurable());
+
 		for (TextfileType tft = TFT_CONTENT_BEGIN; tft < TFT_CONTENT_END; tft++) {
 			this->SetWidgetDisabledState(WID_GO_BASE_GRF_TEXTFILE + tft, BaseGraphics::GetUsedSet() == nullptr || !BaseGraphics::GetUsedSet()->GetTextfile(tft).has_value());
 			this->SetWidgetDisabledState(WID_GO_BASE_SFX_TEXTFILE + tft, BaseSounds::GetUsedSet() == nullptr || !BaseSounds::GetUsedSet()->GetTextfile(tft).has_value());
@@ -853,6 +867,7 @@ static const NWidgetPart _nested_game_op
 					NWidget(NWID_HORIZONTAL), SetPIP(0, 30, 0),
 						NWidget(WWT_DROPDOWN, COLOUR_GREY, WID_GO_BASE_GRF_DROPDOWN), SetMinimalSize(100, 12), SetDataTip(STR_JUST_RAW_STRING, STR_GAME_OPTIONS_BASE_GRF_TOOLTIP),
 						NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_GRF_STATUS), SetMinimalSize(100, 12), SetDataTip(STR_EMPTY, STR_NULL), SetFill(1, 0),
+						NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_GO_BASE_GRF_PARAMETERS), SetDataTip(STR_NEWGRF_SETTINGS_SET_PARAMETERS, STR_NULL),
 					EndContainer(),
 					NWidget(WWT_TEXT, COLOUR_GREY, WID_GO_BASE_GRF_DESCRIPTION), SetMinimalSize(200, 0), SetDataTip(STR_EMPTY, STR_GAME_OPTIONS_BASE_GRF_DESCRIPTION_TOOLTIP), SetFill(1, 0), SetPadding(6, 0, 6, 0),
 					NWidget(NWID_HORIZONTAL, NC_EQUALSIZE), SetPIP(7, 0, 7),
diff --git a/src/widgets/newgrf_widget.h b/src/widgets/newgrf_widget.h
--- a/src/widgets/newgrf_widget.h
+++ b/src/widgets/newgrf_widget.h
@@ -15,6 +15,7 @@
 
 /** Widgets of the #NewGRFParametersWindow class. */
 enum NewGRFParametersWidgets {
+	WID_NP_CAPTION,          ///< Caption of the window.
 	WID_NP_SHOW_NUMPAR,      ///< #NWID_SELECTION to optionally display #WID_NP_NUMPAR.
 	WID_NP_NUMPAR_DEC,       ///< Button to decrease number of parameters.
 	WID_NP_NUMPAR_INC,       ///< Button to increase number of parameters.
diff --git a/src/widgets/settings_widget.h b/src/widgets/settings_widget.h
--- a/src/widgets/settings_widget.h
+++ b/src/widgets/settings_widget.h
@@ -26,6 +26,7 @@ enum GameOptionsWidgets {
 	WID_GO_GUI_SCALE_AUTO,         ///< Autodetect GUI scale button.
 	WID_GO_GUI_SCALE_BEVEL_BUTTON, ///< Toggle for chunky bevels.
 	WID_GO_BASE_GRF_DROPDOWN,      ///< Use to select a base GRF.
+	WID_GO_BASE_GRF_PARAMETERS,    ///< Base GRF parameters.
 	WID_GO_BASE_GRF_STATUS,        ///< Info about missing files etc.
 	WID_GO_BASE_GRF_TEXTFILE,      ///< Open base GRF readme, changelog (+1) or license (+2).
 	WID_GO_BASE_GRF_DESCRIPTION = WID_GO_BASE_GRF_TEXTFILE + TFT_CONTENT_END,     ///< Description of selected base GRF.